diff --git a/src/UniTask.NetCoreTests/AsyncReactivePropertyTest.cs b/src/UniTask.NetCoreTests/AsyncReactivePropertyTest.cs
index 33eee0d..85ef896 100644
--- a/src/UniTask.NetCoreTests/AsyncReactivePropertyTest.cs
+++ b/src/UniTask.NetCoreTests/AsyncReactivePropertyTest.cs
@@ -31,7 +31,7 @@ namespace NetCoreTests
 
             var ar = await array;
 
-            ar.Should().BeEquivalentTo(new[] { 99, 100, 100, 100, 131 });
+            ar.Should().Equal(new[] { 99, 100, 100, 100, 131 });
         }
 
         [Fact]
@@ -49,7 +49,7 @@ namespace NetCoreTests
 
             var ar = await array;
 
-            ar.Should().BeEquivalentTo(new[] { 100, 100, 100, 131, 191 });
+            ar.Should().Equal(new[] { 100, 100, 100, 131, 191 });
         }
 
         //[Fact]
@@ -70,7 +70,7 @@ namespace NetCoreTests
 
         //    var ar = await array;
 
-        //    ar.Should().BeEquivalentTo(new[] { 99, 100, 100, 100, 131 });
+        //    ar.Should().Equal(new[] { 99, 100, 100, 100, 131 });
         //}
 
         //[Fact]
@@ -88,7 +88,7 @@ namespace NetCoreTests
 
         //    var ar = await array;
 
-        //    ar.Should().BeEquivalentTo(new[] { 100, 100, 100, 131, 191 });
+        //    ar.Should().Equal(new[] { 100, 100, 100, 131, 191 });
         //}
 
 
diff --git a/src/UniTask.NetCoreTests/ChannelTest.cs b/src/UniTask.NetCoreTests/ChannelTest.cs
index cf58411..182bbc4 100644
--- a/src/UniTask.NetCoreTests/ChannelTest.cs
+++ b/src/UniTask.NetCoreTests/ChannelTest.cs
@@ -276,8 +276,8 @@ namespace NetCoreTests
             reference.Writer.TryComplete();
             channel.Writer.TryComplete();
 
-            (await ta1).Should().BeEquivalentTo(new[] { 10, 20, 30 });
-            (await ta2).Should().BeEquivalentTo(new[] { 10, 20, 30 });
+            (await ta1).Should().Equal(new[] { 10, 20, 30 });
+            (await ta2).Should().Equal(new[] { 10, 20, 30 });
         }
 
         [Fact]
diff --git a/src/UniTask.NetCoreTests/Linq/Aggregate.cs b/src/UniTask.NetCoreTests/Linq/Aggregate.cs
index 902c1e1..8247e54 100644
--- a/src/UniTask.NetCoreTests/Linq/Aggregate.cs
+++ b/src/UniTask.NetCoreTests/Linq/Aggregate.cs
@@ -481,7 +481,7 @@ namespace NetCoreTests.Linq
                 list.Add(x);
             });
 
-            list.Should().BeEquivalentTo(Enumerable.Range(1, 10));
+            list.Should().Equal(Enumerable.Range(1, 10));
 
             var list2 = new List<(int, int)>();
             await Enumerable.Range(5, 10).ToUniTaskAsyncEnumerable().ForEachAsync((index, x) =>
@@ -490,7 +490,7 @@ namespace NetCoreTests.Linq
             });
 
             var list3 = Enumerable.Range(5, 10).Select((index, x) => (index, x)).ToArray();
-            list2.Should().BeEquivalentTo(list3);
+            list2.Should().Equal(list3);
         }
     }
 }
diff --git a/src/UniTask.NetCoreTests/Linq/Concat.cs b/src/UniTask.NetCoreTests/Linq/Concat.cs
index 5b1a3d2..034e866 100644
--- a/src/UniTask.NetCoreTests/Linq/Concat.cs
+++ b/src/UniTask.NetCoreTests/Linq/Concat.cs
@@ -24,7 +24,7 @@ namespace NetCoreTests.Linq
             var xs = await Enumerable.Range(start, count).ToUniTaskAsyncEnumerable().Append(99).ToArrayAsync();
             var ys = Enumerable.Range(start, count).Append(99).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -50,7 +50,7 @@ namespace NetCoreTests.Linq
             var xs = await Enumerable.Range(start, count).ToUniTaskAsyncEnumerable().Prepend(99).ToArrayAsync();
             var ys = Enumerable.Range(start, count).Prepend(99).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -85,7 +85,7 @@ namespace NetCoreTests.Linq
 
             var xs = await l.ToUniTaskAsyncEnumerable().Concat(r.ToUniTaskAsyncEnumerable()).ToArrayAsync();
             var ys = l.Concat(r).ToArray();
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -119,17 +119,17 @@ namespace NetCoreTests.Linq
             {
                 var xs = await Enumerable.Range(1, 0).ToUniTaskAsyncEnumerable().DefaultIfEmpty(99).ToArrayAsync();
                 var ys = Enumerable.Range(1, 0).DefaultIfEmpty(99).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await Enumerable.Range(1, 1).ToUniTaskAsyncEnumerable().DefaultIfEmpty(99).ToArrayAsync();
                 var ys = Enumerable.Range(1, 1).DefaultIfEmpty(99).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await Enumerable.Range(1, 10).ToUniTaskAsyncEnumerable().DefaultIfEmpty(99).ToArrayAsync();
                 var ys = Enumerable.Range(1, 10).DefaultIfEmpty(99).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             // Throw
             {
diff --git a/src/UniTask.NetCoreTests/Linq/Convert.cs b/src/UniTask.NetCoreTests/Linq/Convert.cs
index 0e3d4b9..553effa 100644
--- a/src/UniTask.NetCoreTests/Linq/Convert.cs
+++ b/src/UniTask.NetCoreTests/Linq/Convert.cs
@@ -34,11 +34,11 @@ namespace NetCoreTests.Linq
         {
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, 10).ToObservable().ToArray();
-                xs.Should().BeEquivalentTo(Enumerable.Range(1, 10));
+                xs.Should().Equal(Enumerable.Range(1, 10));
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, 0).ToObservable().ToArray();
-                xs.Should().BeEquivalentTo(Enumerable.Range(1, 0));
+                xs.Should().Equal(Enumerable.Range(1, 0));
             }
         }
 
@@ -70,21 +70,21 @@ namespace NetCoreTests.Linq
                 var xs = await Observable.Range(1, 100).ToUniTaskAsyncEnumerable().ToArrayAsync();
                 var ys = await Observable.Range(1, 100).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
 
             {
                 var xs = await Observable.Range(1, 100, ThreadPoolScheduler.Instance).ToUniTaskAsyncEnumerable().ToArrayAsync();
                 var ys = await Observable.Range(1, 100, ThreadPoolScheduler.Instance).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
 
             {
                 var xs = await Observable.Empty<int>(ThreadPoolScheduler.Instance).ToUniTaskAsyncEnumerable().ToArrayAsync();
                 var ys = await Observable.Empty<int>(ThreadPoolScheduler.Instance).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
 
@@ -95,25 +95,25 @@ namespace NetCoreTests.Linq
                 var xs = await Enumerable.Range(1, 100).ToUniTaskAsyncEnumerable().ToDictionaryAsync(x => x);
                 var ys = Enumerable.Range(1, 100).ToDictionary(x => x);
 
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
             {
                 var xs = await Enumerable.Range(1, 0).ToUniTaskAsyncEnumerable().ToDictionaryAsync(x => x);
                 var ys = Enumerable.Range(1, 0).ToDictionary(x => x);
 
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
             {
                 var xs = await Enumerable.Range(1, 100).ToUniTaskAsyncEnumerable().ToDictionaryAsync(x => x, x => x * 2);
                 var ys = Enumerable.Range(1, 100).ToDictionary(x => x, x => x * 2);
 
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
             {
                 var xs = await Enumerable.Range(1, 0).ToUniTaskAsyncEnumerable().ToDictionaryAsync(x => x, x => x * 2);
                 var ys = Enumerable.Range(1, 0).ToDictionary(x => x, x => x * 2);
 
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
         }
 
@@ -126,34 +126,34 @@ namespace NetCoreTests.Linq
                 var ys = arr.ToLookup(x => x);
 
                 xs.Count.Should().Be(ys.Count);
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
                 foreach (var key in xs.Select(x => x.Key))
                 {
-                    xs[key].Should().BeEquivalentTo(ys[key]);
+                    xs[key].Should().Equal(ys[key]);
                 }
             }
             {
                 var xs = await Enumerable.Range(1, 0).ToUniTaskAsyncEnumerable().ToLookupAsync(x => x);
                 var ys = Enumerable.Range(1, 0).ToLookup(x => x);
 
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
             {
                 var xs = await arr.ToUniTaskAsyncEnumerable().ToLookupAsync(x => x, x => x * 2);
                 var ys = arr.ToLookup(x => x, x => x * 2);
 
                 xs.Count.Should().Be(ys.Count);
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
                 foreach (var key in xs.Select(x => x.Key))
                 {
-                    xs[key].Should().BeEquivalentTo(ys[key]);
+                    xs[key].Should().Equal(ys[key]);
                 }
             }
             {
                 var xs = await Enumerable.Range(1, 0).ToUniTaskAsyncEnumerable().ToLookupAsync(x => x, x => x * 2);
                 var ys = Enumerable.Range(1, 0).ToLookup(x => x, x => x * 2);
 
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
         }
 
@@ -164,13 +164,13 @@ namespace NetCoreTests.Linq
                 var xs = await Enumerable.Range(1, 100).ToUniTaskAsyncEnumerable().ToListAsync();
                 var ys = Enumerable.Range(1, 100).ToList();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await Enumerable.Empty<int>().ToUniTaskAsyncEnumerable().ToListAsync();
                 var ys = Enumerable.Empty<int>().ToList();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
 
@@ -181,13 +181,13 @@ namespace NetCoreTests.Linq
                 var xs = await new[] { 1, 20, 4, 5, 20, 4, 6 }.ToUniTaskAsyncEnumerable().ToHashSetAsync();
                 var ys = new[] { 1, 20, 4, 5, 20, 4, 6 }.ToHashSet();
 
-                xs.OrderBy(x => x).Should().BeEquivalentTo(ys.OrderBy(x => x));
+                xs.OrderBy(x => x).Should().Equal(ys.OrderBy(x => x));
             }
             {
                 var xs = await Enumerable.Empty<int>().ToUniTaskAsyncEnumerable().ToHashSetAsync();
                 var ys = Enumerable.Empty<int>().ToHashSet();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
     }
diff --git a/src/UniTask.NetCoreTests/Linq/CreateTest.cs b/src/UniTask.NetCoreTests/Linq/CreateTest.cs
index cede25d..17ba22f 100644
--- a/src/UniTask.NetCoreTests/Linq/CreateTest.cs
+++ b/src/UniTask.NetCoreTests/Linq/CreateTest.cs
@@ -30,7 +30,7 @@ namespace NetCoreTests.Linq
 
             var ys = await Range(from, count).AsUniTaskAsyncEnumerable().ToArrayAsync();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -57,19 +57,19 @@ namespace NetCoreTests.Linq
             list.Should().BeEmpty();
 
             await e.MoveNextAsync();
-            list.Should().BeEquivalentTo(100);
+            list.Should().Equal(100);
             e.Current.Should().Be(10);
 
             await e.MoveNextAsync();
-            list.Should().BeEquivalentTo(100, 200);
+            list.Should().Equal(100, 200);
             e.Current.Should().Be(20);
 
             await e.MoveNextAsync();
-            list.Should().BeEquivalentTo(100, 200, 300);
+            list.Should().Equal(100, 200, 300);
             e.Current.Should().Be(30);
 
             (await e.MoveNextAsync()).Should().BeFalse();
-            list.Should().BeEquivalentTo(100, 200, 300, 400);
+            list.Should().Equal(100, 200, 300, 400);
         }
 
         [Fact]
@@ -144,19 +144,19 @@ namespace NetCoreTests.Linq
             list.Should().BeEmpty();
 
             await e.MoveNextAsync();
-            list.Should().BeEquivalentTo(100);
+            list.Should().Equal(100);
             e.Current.Should().Be(10);
 
             await e.MoveNextAsync();
-            list.Should().BeEquivalentTo(100, 200);
+            list.Should().Equal(100, 200);
             e.Current.Should().Be(20);
 
             await e.MoveNextAsync();
-            list.Should().BeEquivalentTo(100, 200, 300);
+            list.Should().Equal(100, 200, 300);
             e.Current.Should().Be(30);
 
             (await e.MoveNextAsync()).Should().BeFalse();
-            list.Should().BeEquivalentTo(100, 200, 300, 400);
+            list.Should().Equal(100, 200, 300, 400);
         }
 
         async IAsyncEnumerable<int> Range(int from, int count)
diff --git a/src/UniTask.NetCoreTests/Linq/Factory.cs b/src/UniTask.NetCoreTests/Linq/Factory.cs
index fb753e6..7b3ed31 100644
--- a/src/UniTask.NetCoreTests/Linq/Factory.cs
+++ b/src/UniTask.NetCoreTests/Linq/Factory.cs
@@ -22,7 +22,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Range(start, count).ToArrayAsync();
             var ys = Enumerable.Range(start, count).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Theory]
@@ -36,7 +36,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Repeat(value, count).ToArrayAsync();
             var ys = Enumerable.Repeat(value, count).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -45,7 +45,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Empty<int>().ToArrayAsync();
             var ys = Enumerable.Empty<int>().ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Theory]
diff --git a/src/UniTask.NetCoreTests/Linq/Filtering.cs b/src/UniTask.NetCoreTests/Linq/Filtering.cs
index c9fdd97..f0f2cf2 100644
--- a/src/UniTask.NetCoreTests/Linq/Filtering.cs
+++ b/src/UniTask.NetCoreTests/Linq/Filtering.cs
@@ -23,26 +23,26 @@ namespace NetCoreTests.Linq
             {
                 var a = await src.Where(x => x % 2 == 0).ToArrayAsync();
                 var expected = range.Where(x => x % 2 == 0).ToArray();
-                a.Should().BeEquivalentTo(expected);
+                a.Should().Equal(expected);
             }
             {
                 var a = await src.Where((x, i) => (x + i) % 2 == 0).ToArrayAsync();
                 var expected = range.Where((x, i) => (x + i) % 2 == 0).ToArray();
-                a.Should().BeEquivalentTo(expected);
+                a.Should().Equal(expected);
             }
             {
                 var a = await src.WhereAwait(x => UniTask.Run(() => x % 2 == 0)).ToArrayAsync();
                 var b = await src.WhereAwait(x => UniTask.FromResult(x % 2 == 0)).ToArrayAsync();
                 var expected = range.Where(x => x % 2 == 0).ToArray();
-                a.Should().BeEquivalentTo(expected);
-                b.Should().BeEquivalentTo(expected);
+                a.Should().Equal(expected);
+                b.Should().Equal(expected);
             }
             {
                 var a = await src.WhereAwait((x, i) => UniTask.Run(() => (x + i) % 2 == 0)).ToArrayAsync();
                 var b = await src.WhereAwait((x, i) => UniTask.FromResult((x + i) % 2 == 0)).ToArrayAsync();
                 var expected = range.Where((x, i) => (x + i) % 2 == 0).ToArray();
-                a.Should().BeEquivalentTo(expected);
-                b.Should().BeEquivalentTo(expected);
+                a.Should().Equal(expected);
+                b.Should().Equal(expected);
             }
         }
 
@@ -79,7 +79,7 @@ namespace NetCoreTests.Linq
             var a = await data.ToUniTaskAsyncEnumerable().OfType<int>().ToArrayAsync();
             var b = data.OfType<int>().ToArray();
 
-            a.Should().BeEquivalentTo(b);
+            a.Should().Equal(b);
         }
 
 
@@ -101,7 +101,7 @@ namespace NetCoreTests.Linq
             var a = await data.ToUniTaskAsyncEnumerable().Cast<int>().ToArrayAsync();
             var b = data.Cast<int>().ToArray();
 
-            a.Should().BeEquivalentTo(b);
+            a.Should().Equal(b);
         }
 
 
diff --git a/src/UniTask.NetCoreTests/Linq/Joins.cs b/src/UniTask.NetCoreTests/Linq/Joins.cs
index 48fd120..8309b8e 100644
--- a/src/UniTask.NetCoreTests/Linq/Joins.cs
+++ b/src/UniTask.NetCoreTests/Linq/Joins.cs
@@ -38,7 +38,7 @@ namespace NetCoreTests.Linq
             var xs = await outer.ToUniTaskAsyncEnumerable().Join(inner.ToUniTaskAsyncEnumerable(), x => x, x => x, (x, y) => (x, y)).ToArrayAsync();
             var ys = outer.Join(inner, x => x, x => x, (x, y) => (x, y)).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
 
@@ -66,7 +66,7 @@ namespace NetCoreTests.Linq
             var xs = await outer.ToUniTaskAsyncEnumerable().JoinAwait(inner.ToUniTaskAsyncEnumerable(), x => RandomRun(x), x => RandomRun(x), (x, y) => RandomRun((x, y))).ToArrayAsync();
             var ys = outer.Join(inner, x => x, x => x, (x, y) => (x, y)).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
 
@@ -94,7 +94,7 @@ namespace NetCoreTests.Linq
             var xs = await outer.ToUniTaskAsyncEnumerable().JoinAwaitWithCancellation(inner.ToUniTaskAsyncEnumerable(), (x, _) => RandomRun(x), (x, _) => RandomRun(x), (x, y, _) => RandomRun((x, y))).ToArrayAsync();
             var ys = outer.Join(inner, x => x, x => x, (x, y) => (x, y)).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
 
@@ -123,7 +123,7 @@ namespace NetCoreTests.Linq
                 var ys = arr.GroupBy(x => x).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
 
             {
@@ -131,7 +131,7 @@ namespace NetCoreTests.Linq
                 var ys = arr.GroupBy(x => x, (key, xs) => (key, xs.ToArray())).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.OrderBy(x => x.key).SelectMany(x => x.Item2).Should().BeEquivalentTo(ys.OrderBy(x => x.key).SelectMany(x => x.Item2));
+                xs.OrderBy(x => x.key).SelectMany(x => x.Item2).Should().Equal(ys.OrderBy(x => x.key).SelectMany(x => x.Item2));
             }
 
             {
@@ -139,7 +139,7 @@ namespace NetCoreTests.Linq
                 var ys = arr.GroupBy(x => x).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
 
             {
@@ -147,7 +147,7 @@ namespace NetCoreTests.Linq
                 var ys = arr.GroupBy(x => x, (key, xs) => (key, xs.ToArray())).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.OrderBy(x => x.key).SelectMany(x => x.Item2).Should().BeEquivalentTo(ys.OrderBy(x => x.key).SelectMany(x => x.Item2));
+                xs.OrderBy(x => x.key).SelectMany(x => x.Item2).Should().Equal(ys.OrderBy(x => x.key).SelectMany(x => x.Item2));
             }
 
             {
@@ -155,7 +155,7 @@ namespace NetCoreTests.Linq
                 var ys = arr.GroupBy(x => x).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.OrderBy(x => x.Key).Should().BeEquivalentTo(ys.OrderBy(x => x.Key));
+                xs.OrderBy(x => x.Key).Should().Equal(ys.OrderBy(x => x.Key));
             }
 
             {
@@ -163,7 +163,7 @@ namespace NetCoreTests.Linq
                 var ys = arr.GroupBy(x => x, (key, xs) => (key, xs.ToArray())).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.OrderBy(x => x.key).SelectMany(x => x.Item2).Should().BeEquivalentTo(ys.OrderBy(x => x.key).SelectMany(x => x.Item2));
+                xs.OrderBy(x => x.key).SelectMany(x => x.Item2).Should().Equal(ys.OrderBy(x => x.key).SelectMany(x => x.Item2));
             }
         }
 
@@ -199,21 +199,21 @@ namespace NetCoreTests.Linq
                 var ys = outer.GroupJoin(inner, x => x, x => x, (x, y) => (x, string.Join(", ", y))).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await outer.ToUniTaskAsyncEnumerable().GroupJoinAwait(inner.ToUniTaskAsyncEnumerable(), x => RandomRun(x), x => RandomRun(x), (x, y) => RandomRun((x, string.Join(", ", y)))).ToArrayAsync();
                 var ys = outer.GroupJoin(inner, x => x, x => x, (x, y) => (x, string.Join(", ", y))).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await outer.ToUniTaskAsyncEnumerable().GroupJoinAwaitWithCancellation(inner.ToUniTaskAsyncEnumerable(), (x, _) => RandomRun(x), (x, _) => RandomRun(x), (x, y, _) => RandomRun((x, string.Join(", ", y)))).ToArrayAsync();
                 var ys = outer.GroupJoin(inner, x => x, x => x, (x, y) => (x, string.Join(", ", y))).ToArray();
 
                 xs.Length.Should().Be(ys.Length);
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
 
diff --git a/src/UniTask.NetCoreTests/Linq/Paging.cs b/src/UniTask.NetCoreTests/Linq/Paging.cs
index cfea04b..0f05f67 100644
--- a/src/UniTask.NetCoreTests/Linq/Paging.cs
+++ b/src/UniTask.NetCoreTests/Linq/Paging.cs
@@ -27,7 +27,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Range(1, collection).Skip(skipCount).ToArrayAsync();
             var ys = Enumerable.Range(1, collection).Skip(skipCount).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -52,7 +52,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Range(1, collection).SkipLast(skipCount).ToArrayAsync();
             var ys = Enumerable.Range(1, collection).SkipLast(skipCount).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -77,7 +77,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Range(1, collection).TakeLast(takeCount).ToArrayAsync();
             var ys = Enumerable.Range(1, collection).TakeLast(takeCount).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -103,7 +103,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Range(1, collection).Take(takeCount).ToArrayAsync();
             var ys = Enumerable.Range(1, collection).Take(takeCount).ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -130,37 +130,37 @@ namespace NetCoreTests.Linq
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).SkipWhile(x => x < skipCount).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).SkipWhile(x => x < skipCount).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).SkipWhile((x, i) => x < (skipCount - i)).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).SkipWhile((x, i) => x < (skipCount - i)).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).SkipWhileAwait(x => UniTask.Run(() => x < skipCount)).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).SkipWhile(x => x < skipCount).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).SkipWhileAwait((x, i) => UniTask.Run(() => x < (skipCount - i))).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).SkipWhile((x, i) => x < (skipCount - i)).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).SkipWhileAwaitWithCancellation((x, _) => UniTask.Run(() => x < skipCount)).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).SkipWhile(x => x < skipCount).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).SkipWhileAwaitWithCancellation((x, i, _) => UniTask.Run(() => x < (skipCount - i))).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).SkipWhile((x, i) => x < (skipCount - i)).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
 
@@ -213,37 +213,37 @@ namespace NetCoreTests.Linq
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).TakeWhile(x => x < skipCount).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).TakeWhile(x => x < skipCount).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).TakeWhile((x, i) => x < (skipCount - i)).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).TakeWhile((x, i) => x < (skipCount - i)).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).TakeWhileAwait(x => UniTask.Run(() => x < skipCount)).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).TakeWhile(x => x < skipCount).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).TakeWhileAwait((x, i) => UniTask.Run(() => x < (skipCount - i))).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).TakeWhile((x, i) => x < (skipCount - i)).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).TakeWhileAwaitWithCancellation((x, _) => UniTask.Run(() => x < skipCount)).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).TakeWhile(x => x < skipCount).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, collection).TakeWhileAwaitWithCancellation((x, i, _) => UniTask.Run(() => x < (skipCount - i))).ToArrayAsync();
                 var ys = Enumerable.Range(1, collection).TakeWhile((x, i) => x < (skipCount - i)).ToArray();
 
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
 
diff --git a/src/UniTask.NetCoreTests/Linq/Projection.cs b/src/UniTask.NetCoreTests/Linq/Projection.cs
index 6bfbc60..562cc26 100644
--- a/src/UniTask.NetCoreTests/Linq/Projection.cs
+++ b/src/UniTask.NetCoreTests/Linq/Projection.cs
@@ -24,7 +24,7 @@ namespace NetCoreTests.Linq
             var xs = await Enumerable.Range(start, count).ToUniTaskAsyncEnumerable().Reverse().ToArrayAsync();
             var ys = Enumerable.Range(start, count).Reverse().ToArray();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -46,18 +46,18 @@ namespace NetCoreTests.Linq
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, count).Select(x => x * x).ToArrayAsync();
                 var ys = Enumerable.Range(1, count).Select(x => x * x).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
 
                 var zs = await UniTaskAsyncEnumerable.Range(1, count).SelectAwait((x) => UniTask.Run(() => x * x)).ToArrayAsync();
-                zs.Should().BeEquivalentTo(ys);
+                zs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, count).Select((x, i) => x * x * i).ToArrayAsync();
                 var ys = Enumerable.Range(1, count).Select((x, i) => x * x * i).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
 
                 var zs = await UniTaskAsyncEnumerable.Range(1, count).SelectAwait((x, i) => UniTask.Run(() => x * x * i)).ToArrayAsync();
-                zs.Should().BeEquivalentTo(ys);
+                zs.Should().Equal(ys);
             }
         }
 
@@ -98,22 +98,22 @@ namespace NetCoreTests.Linq
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectMany(x => UniTaskAsyncEnumerable.Range(99, rightCount * x)).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany(x => Enumerable.Range(99, rightCount * x)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectMany((i, x) => UniTaskAsyncEnumerable.Range(99 * i, rightCount * x)).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany((i, x) => Enumerable.Range(99 * i, rightCount * x)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectMany(x => UniTaskAsyncEnumerable.Range(99, rightCount * x), (x, y) => x * y).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany(x => Enumerable.Range(99, rightCount * x), (x, y) => x * y).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectMany((i, x) => UniTaskAsyncEnumerable.Range(99 * i, rightCount * x), (x, y) => x * y).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany((i, x) => Enumerable.Range(99 * i, rightCount * x), (x, y) => x * y).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
 
             // await
@@ -121,22 +121,22 @@ namespace NetCoreTests.Linq
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectManyAwait(x => UniTask.Run(() => UniTaskAsyncEnumerable.Range(99, rightCount * x))).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany(x => Enumerable.Range(99, rightCount * x)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectManyAwait((i, x) => UniTask.Run(() => UniTaskAsyncEnumerable.Range(99 * i, rightCount * x))).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany((i, x) => Enumerable.Range(99 * i, rightCount * x)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectManyAwait(x => UniTask.Run(() => UniTaskAsyncEnumerable.Range(99, rightCount * x)), (x, y) => UniTask.Run(() => x * y)).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany(x => Enumerable.Range(99, rightCount * x), (x, y) => x * y).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectManyAwait((i, x) => UniTask.Run(() => UniTaskAsyncEnumerable.Range(99 * i, rightCount * x)), (x, y) => UniTask.Run(() => x * y)).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany((i, x) => Enumerable.Range(99 * i, rightCount * x), (x, y) => x * y).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
 
             // with cancel
@@ -144,22 +144,22 @@ namespace NetCoreTests.Linq
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectManyAwaitWithCancellation((x, _) => UniTask.Run(() => UniTaskAsyncEnumerable.Range(99, rightCount * x))).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany(x => Enumerable.Range(99, rightCount * x)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectManyAwaitWithCancellation((i, x, _) => UniTask.Run(() => UniTaskAsyncEnumerable.Range(99 * i, rightCount * x))).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany((i, x) => Enumerable.Range(99 * i, rightCount * x)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectManyAwaitWithCancellation((x, _) => UniTask.Run(() => UniTaskAsyncEnumerable.Range(99, rightCount * x)), (x, y, _) => UniTask.Run(() => x * y)).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany(x => Enumerable.Range(99, rightCount * x), (x, y) => x * y).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).SelectManyAwaitWithCancellation((i, x, _) => UniTask.Run(() => UniTaskAsyncEnumerable.Range(99 * i, rightCount * x)), (x, y, _) => UniTask.Run(() => x * y)).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).SelectMany((i, x) => Enumerable.Range(99 * i, rightCount * x), (x, y) => x * y).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
 
@@ -219,17 +219,17 @@ namespace NetCoreTests.Linq
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).Zip(UniTaskAsyncEnumerable.Range(99, rightCount)).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).Zip(Enumerable.Range(99, rightCount)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).ZipAwait(UniTaskAsyncEnumerable.Range(99, rightCount), (x, y) => UniTask.Run(() => (x, y))).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).Zip(Enumerable.Range(99, rightCount)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await UniTaskAsyncEnumerable.Range(1, leftCount).ZipAwaitWithCancellation(UniTaskAsyncEnumerable.Range(99, rightCount), (x, y, _) => UniTask.Run(() => (x, y))).ToArrayAsync();
                 var ys = Enumerable.Range(1, leftCount).Zip(Enumerable.Range(99, rightCount)).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
         [Fact]
@@ -288,7 +288,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Range(0, rangeCount).Buffer(bufferCount).Select(x => string.Join(",", x)).ToArrayAsync();
             var ys = await AsyncEnumerable.Range(0, rangeCount).Buffer(bufferCount).Select(x => string.Join(",", x)).ToArrayAsync();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Theory]
@@ -305,7 +305,7 @@ namespace NetCoreTests.Linq
             var xs = await UniTaskAsyncEnumerable.Range(0, rangeCount).Buffer(bufferCount, skipCount).Select(x => string.Join(",", x)).ToArrayAsync();
             var ys = await AsyncEnumerable.Range(0, rangeCount).Buffer(bufferCount, skipCount).Select(x => string.Join(",", x)).ToArrayAsync();
 
-            xs.Should().BeEquivalentTo(ys);
+            xs.Should().Equal(ys);
         }
 
         [Fact]
@@ -402,7 +402,7 @@ namespace NetCoreTests.Linq
         public async Task PariwiseImmediate()
         {
             var xs = await UniTaskAsyncEnumerable.Range(1, 5).Pairwise().ToArrayAsync();
-            xs.Should().BeEquivalentTo((1, 2), (2, 3), (3, 4), (4, 5));
+            xs.Should().Equal((1, 2), (2, 3), (3, 4), (4, 5));
         }
 
         [Fact]
@@ -426,7 +426,7 @@ namespace NetCoreTests.Linq
 
             await complete;
 
-            list.Should().BeEquivalentTo((10, 20), (20, 30), (30, 40), (40, 50));
+            list.Should().Equal((10, 20), (20, 30), (30, 40), (40, 50));
         }
 
         class MyException : Exception
diff --git a/src/UniTask.NetCoreTests/Linq/PulbishTest.cs b/src/UniTask.NetCoreTests/Linq/PulbishTest.cs
index c96bf47..4688093 100644
--- a/src/UniTask.NetCoreTests/Linq/PulbishTest.cs
+++ b/src/UniTask.NetCoreTests/Linq/PulbishTest.cs
@@ -26,7 +26,7 @@ namespace NetCoreTests.Linq
 
             rp.Value = 2;
 
-            (await b).Should().BeEquivalentTo(1, 2);
+            (await b).Should().Equal(1, 2);
 
             var c = multicast.ToArrayAsync();
 
@@ -36,8 +36,8 @@ namespace NetCoreTests.Linq
 
             rp.Dispose();
 
-            (await a).Should().BeEquivalentTo(1, 2, 3, 4, 5);
-            (await c).Should().BeEquivalentTo(3, 4, 5);
+            (await a).Should().Equal(1, 2, 3, 4, 5);
+            (await c).Should().Equal(3, 4, 5);
 
             disp.Dispose();
         }
@@ -56,7 +56,7 @@ namespace NetCoreTests.Linq
 
             rp.Value = 2;
 
-            (await b).Should().BeEquivalentTo(1, 2);
+            (await b).Should().Equal(1, 2);
 
             var c = multicast.ToArrayAsync();
 
diff --git a/src/UniTask.NetCoreTests/Linq/QueueTest.cs b/src/UniTask.NetCoreTests/Linq/QueueTest.cs
index d2f5fc5..305d253 100644
--- a/src/UniTask.NetCoreTests/Linq/QueueTest.cs
+++ b/src/UniTask.NetCoreTests/Linq/QueueTest.cs
@@ -23,7 +23,7 @@ namespace NetCoreTests.Linq
                 l.Add(x);
             });
 
-            l.Should().BeEquivalentTo(100, 110, 120, 130, 140, 150, 160, 170, 180, 190);
+            l.Should().Equal(100, 110, 120, 130, 140, 150, 160, 170, 180, 190);
         }
     }
 }
diff --git a/src/UniTask.NetCoreTests/Linq/Sets.cs b/src/UniTask.NetCoreTests/Linq/Sets.cs
index 6d3c45c..827274a 100644
--- a/src/UniTask.NetCoreTests/Linq/Sets.cs
+++ b/src/UniTask.NetCoreTests/Linq/Sets.cs
@@ -34,10 +34,10 @@ namespace NetCoreTests.Linq
         {
             var ys = array.Distinct().ToArray();
             {
-                (await array.ToUniTaskAsyncEnumerable().Distinct().ToArrayAsync()).Should().BeEquivalentTo(ys);
-                (await array.ToUniTaskAsyncEnumerable().Distinct(x => x).ToArrayAsync()).Should().BeEquivalentTo(ys);
-                (await array.ToUniTaskAsyncEnumerable().DistinctAwait(x => UniTask.Run(() => x)).ToArrayAsync()).Should().BeEquivalentTo(ys);
-                (await array.ToUniTaskAsyncEnumerable().DistinctAwaitWithCancellation((x, _) => UniTask.Run(() => x)).ToArrayAsync()).Should().BeEquivalentTo(ys);
+                (await array.ToUniTaskAsyncEnumerable().Distinct().ToArrayAsync()).Should().Equal(ys);
+                (await array.ToUniTaskAsyncEnumerable().Distinct(x => x).ToArrayAsync()).Should().Equal(ys);
+                (await array.ToUniTaskAsyncEnumerable().DistinctAwait(x => UniTask.Run(() => x)).ToArrayAsync()).Should().Equal(ys);
+                (await array.ToUniTaskAsyncEnumerable().DistinctAwaitWithCancellation((x, _) => UniTask.Run(() => x)).ToArrayAsync()).Should().Equal(ys);
             }
         }
 
@@ -71,10 +71,10 @@ namespace NetCoreTests.Linq
         {
             var ys = await array.ToAsyncEnumerable().DistinctUntilChanged().ToArrayAsync();
             {
-                (await array.ToUniTaskAsyncEnumerable().DistinctUntilChanged().ToArrayAsync()).Should().BeEquivalentTo(ys);
-                (await array.ToUniTaskAsyncEnumerable().DistinctUntilChanged(x => x).ToArrayAsync()).Should().BeEquivalentTo(ys);
-                (await array.ToUniTaskAsyncEnumerable().DistinctUntilChangedAwait(x => UniTask.Run(() => x)).ToArrayAsync()).Should().BeEquivalentTo(ys);
-                (await array.ToUniTaskAsyncEnumerable().DistinctUntilChangedAwaitWithCancellation((x, _) => UniTask.Run(() => x)).ToArrayAsync()).Should().BeEquivalentTo(ys);
+                (await array.ToUniTaskAsyncEnumerable().DistinctUntilChanged().ToArrayAsync()).Should().Equal(ys);
+                (await array.ToUniTaskAsyncEnumerable().DistinctUntilChanged(x => x).ToArrayAsync()).Should().Equal(ys);
+                (await array.ToUniTaskAsyncEnumerable().DistinctUntilChangedAwait(x => UniTask.Run(() => x)).ToArrayAsync()).Should().Equal(ys);
+                (await array.ToUniTaskAsyncEnumerable().DistinctUntilChangedAwaitWithCancellation((x, _) => UniTask.Run(() => x)).ToArrayAsync()).Should().Equal(ys);
             }
         }
 
@@ -112,7 +112,7 @@ namespace NetCoreTests.Linq
                 {
                     var xs = await a1.ToUniTaskAsyncEnumerable().Except(a2.ToUniTaskAsyncEnumerable()).ToArrayAsync();
                     var ys = a1.Except(a2).ToArray();
-                    xs.Should().BeEquivalentTo(ys);
+                    xs.Should().Equal(ys);
                 }
             }
         }
@@ -141,7 +141,7 @@ namespace NetCoreTests.Linq
                 {
                     var xs = await a1.ToUniTaskAsyncEnumerable().Intersect(a2.ToUniTaskAsyncEnumerable()).ToArrayAsync();
                     var ys = a1.Intersect(a2).ToArray();
-                    xs.Should().BeEquivalentTo(ys);
+                    xs.Should().Equal(ys);
                 }
             }
         }
@@ -170,7 +170,7 @@ namespace NetCoreTests.Linq
                 {
                     var xs = await a1.ToUniTaskAsyncEnumerable().Union(a2.ToUniTaskAsyncEnumerable()).ToArrayAsync();
                     var ys = a1.Union(a2).ToArray();
-                    xs.Should().BeEquivalentTo(ys);
+                    xs.Should().Equal(ys);
                 }
             }
         }
diff --git a/src/UniTask.NetCoreTests/Linq/Sort.cs b/src/UniTask.NetCoreTests/Linq/Sort.cs
index 673e697..f751d1c 100644
--- a/src/UniTask.NetCoreTests/Linq/Sort.cs
+++ b/src/UniTask.NetCoreTests/Linq/Sort.cs
@@ -59,32 +59,32 @@ namespace NetCoreTests.Linq
             {
                 var xs = await array.ToUniTaskAsyncEnumerable().OrderBy(x => x).ToArrayAsync();
                 var ys = array.OrderBy(x => x).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await array.ToUniTaskAsyncEnumerable().OrderByDescending(x => x).ToArrayAsync();
                 var ys = array.OrderByDescending(x => x).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await array.ToUniTaskAsyncEnumerable().OrderByAwait(RandomRun).ToArrayAsync();
                 var ys = array.OrderBy(x => x).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await array.ToUniTaskAsyncEnumerable().OrderByDescendingAwait(RandomRun).ToArrayAsync();
                 var ys = array.OrderByDescending(x => x).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await array.ToUniTaskAsyncEnumerable().OrderByAwaitWithCancellation(RandomRun).ToArrayAsync();
                 var ys = array.OrderBy(x => x).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
             {
                 var xs = await array.ToUniTaskAsyncEnumerable().OrderByDescendingAwaitWithCancellation(RandomRun).ToArrayAsync();
                 var ys = array.OrderByDescending(x => x).ToArray();
-                xs.Should().BeEquivalentTo(ys);
+                xs.Should().Equal(ys);
             }
         }
 
@@ -125,14 +125,14 @@ namespace NetCoreTests.Linq
                     var g2 = await array.ToUniTaskAsyncEnumerable().OrderByDescending(x => x.Age).ThenByDescending(x => x.FirstName).ThenBy(x => x.LastName).ToArrayAsync();
                     var h2 = await array.ToUniTaskAsyncEnumerable().OrderByDescending(x => x.Age).ThenByDescending(x => x.FirstName).ThenByDescending(x => x.LastName).ToArrayAsync();
 
-                    a.Should().BeEquivalentTo(a2);
-                    b.Should().BeEquivalentTo(b2);
-                    c.Should().BeEquivalentTo(c2);
-                    d.Should().BeEquivalentTo(d2);
-                    e.Should().BeEquivalentTo(e2);
-                    f.Should().BeEquivalentTo(f2);
-                    g.Should().BeEquivalentTo(g2);
-                    h.Should().BeEquivalentTo(h2);
+                    a.Should().Equal(a2);
+                    b.Should().Equal(b2);
+                    c.Should().Equal(c2);
+                    d.Should().Equal(d2);
+                    e.Should().Equal(e2);
+                    f.Should().Equal(f2);
+                    g.Should().Equal(g2);
+                    h.Should().Equal(h2);
                 }
                 {
                     var a2 = await array.ToUniTaskAsyncEnumerable().OrderByAwait(x => RandomRun(x.Age)).ThenByAwait(x => RandomRun(x.FirstName)).ThenByAwait(x => RandomRun(x.LastName)).ToArrayAsync();
@@ -144,14 +144,14 @@ namespace NetCoreTests.Linq
                     var g2 = await array.ToUniTaskAsyncEnumerable().OrderByDescendingAwait(x => RandomRun(x.Age)).ThenByDescendingAwait(x => RandomRun(x.FirstName)).ThenByAwait(x => RandomRun(x.LastName)).ToArrayAsync();
                     var h2 = await array.ToUniTaskAsyncEnumerable().OrderByDescendingAwait(x => RandomRun(x.Age)).ThenByDescendingAwait(x => RandomRun(x.FirstName)).ThenByDescendingAwait(x => RandomRun(x.LastName)).ToArrayAsync();
 
-                    a.Should().BeEquivalentTo(a2);
-                    b.Should().BeEquivalentTo(b2);
-                    c.Should().BeEquivalentTo(c2);
-                    d.Should().BeEquivalentTo(d2);
-                    e.Should().BeEquivalentTo(e2);
-                    f.Should().BeEquivalentTo(f2);
-                    g.Should().BeEquivalentTo(g2);
-                    h.Should().BeEquivalentTo(h2);
+                    a.Should().Equal(a2);
+                    b.Should().Equal(b2);
+                    c.Should().Equal(c2);
+                    d.Should().Equal(d2);
+                    e.Should().Equal(e2);
+                    f.Should().Equal(f2);
+                    g.Should().Equal(g2);
+                    h.Should().Equal(h2);
                 }
                 {
                     var a2 = await array.ToUniTaskAsyncEnumerable().OrderByAwaitWithCancellation((x, ct) => RandomRun(x.Age)).ThenByAwaitWithCancellation((x, ct) => RandomRun(x.FirstName)).ThenByAwaitWithCancellation((x, ct) => RandomRun(x.LastName)).ToArrayAsync();
@@ -163,14 +163,14 @@ namespace NetCoreTests.Linq
                     var g2 = await array.ToUniTaskAsyncEnumerable().OrderByDescendingAwaitWithCancellation((x, ct) => RandomRun(x.Age)).ThenByDescendingAwaitWithCancellation((x, ct) => RandomRun(x.FirstName)).ThenByAwaitWithCancellation((x, ct) => RandomRun(x.LastName)).ToArrayAsync();
                     var h2 = await array.ToUniTaskAsyncEnumerable().OrderByDescendingAwaitWithCancellation((x, ct) => RandomRun(x.Age)).ThenByDescendingAwaitWithCancellation((x, ct) => RandomRun(x.FirstName)).ThenByDescendingAwaitWithCancellation((x, ct) => RandomRun(x.LastName)).ToArrayAsync();
 
-                    a.Should().BeEquivalentTo(a2);
-                    b.Should().BeEquivalentTo(b2);
-                    c.Should().BeEquivalentTo(c2);
-                    d.Should().BeEquivalentTo(d2);
-                    e.Should().BeEquivalentTo(e2);
-                    f.Should().BeEquivalentTo(f2);
-                    g.Should().BeEquivalentTo(g2);
-                    h.Should().BeEquivalentTo(h2);
+                    a.Should().Equal(a2);
+                    b.Should().Equal(b2);
+                    c.Should().Equal(c2);
+                    d.Should().Equal(d2);
+                    e.Should().Equal(e2);
+                    f.Should().Equal(f2);
+                    g.Should().Equal(g2);
+                    h.Should().Equal(h2);
                 }
             }
         }
diff --git a/src/UniTask.NetCoreTests/Linq/TakeInfinityTest.cs b/src/UniTask.NetCoreTests/Linq/TakeInfinityTest.cs
index dd92445..f3d0d7c 100644
--- a/src/UniTask.NetCoreTests/Linq/TakeInfinityTest.cs
+++ b/src/UniTask.NetCoreTests/Linq/TakeInfinityTest.cs
@@ -24,7 +24,7 @@ namespace NetCoreTests.Linq
             rp.Value = 4;
             rp.Value = 5;
 
-            (await xs).Should().BeEquivalentTo(1, 2, 3, 4, 5);
+            (await xs).Should().Equal(1, 2, 3, 4, 5);
         }
 
         [Fact]
@@ -39,7 +39,7 @@ namespace NetCoreTests.Linq
             rp.Value = 4;
             rp.Value = 5;
 
-            (await xs).Should().BeEquivalentTo(1, 2, 3, 4);
+            (await xs).Should().Equal(1, 2, 3, 4);
         }
 
         [Fact]
@@ -56,7 +56,7 @@ namespace NetCoreTests.Linq
             await c;
             var foo = await xs;
 
-            foo.Should().BeEquivalentTo(new[] { 1, 10, 20 });
+            foo.Should().Equal(new[] { 1, 10, 20 });
 
             async Task CancelAsync()
             {
@@ -85,7 +85,7 @@ namespace NetCoreTests.Linq
             await c;
             var foo = await xs;
 
-            foo.Should().BeEquivalentTo(new[] { 20, 30, 40 });
+            foo.Should().Equal(new[] { 20, 30, 40 });
 
             async Task CancelAsync()
             {
@@ -116,7 +116,7 @@ namespace NetCoreTests.Linq
             await c;
             var foo = await xs;
 
-            foo.Should().BeEquivalentTo(new[] { 1, 10, 20 });
+            foo.Should().Equal(new[] { 1, 10, 20 });
 
             async Task CancelAsync()
             {
@@ -145,7 +145,7 @@ namespace NetCoreTests.Linq
             await c;
             var foo = await xs;
 
-            foo.Should().BeEquivalentTo(new[] { 20, 30, 40 });
+            foo.Should().Equal(new[] { 20, 30, 40 });
 
             async Task CancelAsync()
             {
diff --git a/src/UniTask.NetCoreTests/TriggerEventTest.cs b/src/UniTask.NetCoreTests/TriggerEventTest.cs
index d1bdf5c..1efc4f2 100644
--- a/src/UniTask.NetCoreTests/TriggerEventTest.cs
+++ b/src/UniTask.NetCoreTests/TriggerEventTest.cs
@@ -34,7 +34,7 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
 
                 ev.SetCompleted();
 
@@ -46,7 +46,7 @@ namespace NetCoreTests
                 ev.SetCompleted();
                 ev.SetCanceled(default);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
                 one.CompletedCalled.Count.Should().Be(1);
             }
             // after removed, onemore
@@ -59,7 +59,7 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
 
                 ev.SetCompleted();
 
@@ -71,7 +71,7 @@ namespace NetCoreTests
                 ev.SetCompleted();
                 ev.SetCanceled(default);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
                 one.CompletedCalled.Count.Should().Be(1);
             }
         }
@@ -102,10 +102,10 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                four.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
+                four.NextCalled.Should().Equal(10, 20, 30);
 
                 ev.SetCompleted();
 
@@ -120,11 +120,11 @@ namespace NetCoreTests
                 ev.SetCompleted();
                 ev.SetCanceled(default);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
                 one.CompletedCalled.Count.Should().Be(1);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
                 three.CompletedCalled.Count.Should().Be(1);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
                 three.CompletedCalled.Count.Should().Be(1);
             }
 
@@ -145,10 +145,10 @@ namespace NetCoreTests
                 ev.SetResult(30);
                 ev.Add(four);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                four.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
+                four.NextCalled.Should().Equal(10, 20, 30);
 
                 ev.SetCompleted();
 
@@ -163,11 +163,11 @@ namespace NetCoreTests
                 ev.SetCompleted();
                 ev.SetCanceled(default);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
                 one.CompletedCalled.Count.Should().Be(1);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
                 three.CompletedCalled.Count.Should().Be(1);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
                 three.CompletedCalled.Count.Should().Be(1);
             }
         }
@@ -190,9 +190,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
 
                 ev.Remove(one);
 
@@ -200,9 +200,9 @@ namespace NetCoreTests
                 ev.SetResult(50);
                 ev.SetResult(60);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30, 40, 50, 60);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30, 40, 50, 60);
+                one.NextCalled.Should().Equal(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30, 40, 50, 60);
+                three.NextCalled.Should().Equal(10, 20, 30, 40, 50, 60);
             }
         }
         [Fact]
@@ -222,9 +222,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
 
                 ev.Remove(two);
 
@@ -232,9 +232,9 @@ namespace NetCoreTests
                 ev.SetResult(50);
                 ev.SetResult(60);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30, 40, 50, 60);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30, 40, 50, 60);
+                one.NextCalled.Should().Equal(10, 20, 30, 40, 50, 60);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30, 40, 50, 60);
             }
         }
         [Fact]
@@ -254,9 +254,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
 
                 ev.Remove(three);
 
@@ -264,9 +264,9 @@ namespace NetCoreTests
                 ev.SetResult(50);
                 ev.SetResult(60);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30, 40, 50, 60);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30, 40, 50, 60);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30, 40, 50, 60);
+                two.NextCalled.Should().Equal(10, 20, 30, 40, 50, 60);
+                three.NextCalled.Should().Equal(10, 20, 30);
             }
         }
 
@@ -321,9 +321,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
             }
 
             public void Run2()
@@ -342,9 +342,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
             }
 
             public void Run3()
@@ -363,9 +363,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10);
-                two.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10);
+                two.NextCalled.Should().Equal(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
             }
         }
 
@@ -390,9 +390,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
                 two.NextCalled.Count.Should().Be(0);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                three.NextCalled.Should().Equal(10, 20, 30);
             }
 
             public void Run2()
@@ -412,9 +412,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                two.NextCalled.Should().BeEquivalentTo(10);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
+                two.NextCalled.Should().Equal(10);
+                three.NextCalled.Should().Equal(10, 20, 30);
             }
 
             public void Run3()
@@ -434,9 +434,9 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
-                two.NextCalled.Should().BeEquivalentTo(10);
-                three.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
+                two.NextCalled.Should().Equal(10);
+                three.NextCalled.Should().Equal(10, 20, 30);
             }
         }
 
@@ -464,10 +464,10 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                one.NextCalled.Should().Equal(10, 20, 30);
                 two.NextCalled.Count.Should().Be(0);
                 three.NextCalled.Count.Should().Be(0);
-                four.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                four.NextCalled.Should().Equal(10, 20, 30);
             }
 
             public void Run2()
@@ -490,10 +490,10 @@ namespace NetCoreTests
                 ev.SetResult(20);
                 ev.SetResult(30);
 
-                one.NextCalled.Should().BeEquivalentTo(10);
+                one.NextCalled.Should().Equal(10);
                 two.NextCalled.Count.Should().Be(0);
                 three.NextCalled.Count.Should().Be(0);
-                four.NextCalled.Should().BeEquivalentTo(10, 20, 30);
+                four.NextCalled.Should().Equal(10, 20, 30);
             }
 
 
@@ -533,10 +533,10 @@ namespace NetCoreTests
                 ev.SetResult(30);
                 ev.SetResult(40);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30, 40);
-                two.NextCalled.Should().BeEquivalentTo(20, 30, 40);
-                three.NextCalled.Should().BeEquivalentTo(30, 40);
-                four.NextCalled.Should().BeEquivalentTo(40);
+                one.NextCalled.Should().Equal(10, 20, 30, 40);
+                two.NextCalled.Should().Equal(20, 30, 40);
+                three.NextCalled.Should().Equal(30, 40);
+                four.NextCalled.Should().Equal(40);
             }
 
             public void Run2()
@@ -573,10 +573,10 @@ namespace NetCoreTests
                 ev.SetResult(30);
                 ev.SetResult(40);
 
-                one.NextCalled.Should().BeEquivalentTo(10, 20, 30, 40);
-                two.NextCalled.Should().BeEquivalentTo(20, 30, 40);
-                three.NextCalled.Should().BeEquivalentTo(30, 40);
-                four.NextCalled.Should().BeEquivalentTo(40);
+                one.NextCalled.Should().Equal(10, 20, 30, 40);
+                two.NextCalled.Should().Equal(20, 30, 40);
+                three.NextCalled.Should().Equal(30, 40);
+                four.NextCalled.Should().Equal(40);
             }
         }
     }