* RoleTest.cs:

* SubClassTest.cs: test: 增加子类化测试

Storage/Storage.Test/RoleTest.cs

@@ -5,6 +5,7 @@ using System.Threading.Tasks;
 using LeanCloud;
 
 namespace LeanCloudTests {
+    [TestFixture]
     public class RoleTest {
         [SetUp]
         public void SetUp() {

Storage/Storage.Test/SubClassTest.cs

@@ -0,0 +1,49 @@
+using NUnit.Framework;
+using LeanCloud;
+using System.Threading.Tasks;
+using System.Collections.Generic;
+
+namespace LeanCloudTests {
+    [AVClassName("Account")]
+    public class Account : AVObject {
+        [AVFieldName("name")]
+        public string Name {
+            get {
+                return GetProperty<string>("Name");
+            }
+            set {
+                SetProperty(value, "Name");
+            }
+        }
+
+        [AVFieldName("balance")]
+        public int Balance {
+            get {
+                return GetProperty<int>("Balance");
+            }
+            set {
+                SetProperty(value, "Balance");
+            }
+        }
+    }
+
+    [TestFixture]
+    public class SubClassTest {
+        [SetUp]
+        public void SetUp() {
+            Utils.InitNorthChina(true);
+        }
+
+        [Test]
+        public async Task SubClass() {
+            AVObject.RegisterSubclass<Account>();
+            AVQuery<Account> query = new AVQuery<Account>();
+            IEnumerable<Account> accountList = await query.FindAsync();
+            foreach (Account account in accountList) {
+                Assert.NotNull(account.Name);
+                Assert.Greater(account.Balance, 0);
+                TestContext.Out.WriteLine($"{account.Name}, {account.Balance}");
+            }
+        }
+    }
+}