public void type_account_type_get_list_returns_account_types_in_list() { List <AccountType> newTypeList = new List <AccountType>(); Mock <IBusinessEngineFactory> mockBusinessEngineFactory = new Mock <IBusinessEngineFactory>(); mockBusinessEngineFactory.Setup(mock => mock.GetBusinessEngine <IAccountTypeBusinessEngine>().GetTypes()).Returns(newTypeList); TypeService service = new TypeService(mockBusinessEngineFactory.Object); List <AccountType> lookup_ret_val = service.GetAccountTypeList(); Assert.IsTrue(lookup_ret_val is List <AccountType>); }