public void LoginSucceededAsUser() { mockDBHelper.Setup(x => x.IsUserExist(It.IsAny <string>(), It.IsAny <string>())).Returns(true); presenter.LoginAsUser("UserName", "Password"); mockView.Verify(view => view.ShowMainForm(), "Main Form didn't show up on successful login as user"); mockView.Verify(view => view.CloseView(), "Login Form didn't close on successful login as user"); }