# How to Test ## Running Fake Store To run fake store there are two ways: 1. Press Play in the Unity Editor, this will always use the fake store 2. Set `StandardPurchasingModule.Instance().useFakeStoreAlways` to `true` ## Advance Testing The Fake Store allows the developer to chose between three options for testing purposes. This testing feature can be set with `StandardPurchasingModule.Instance().useFakeStoreUIMode`. ### 1. Default This option display no dialog. ### 2. StandardUser This option will show a simple dialog is shown when Purchasing. ### 3. DeveloperUser This option will show a dialog giving options for failure reason code selection when Initializing/Retrieving Products and when Purchasing.