CapRaffle.UnitTests.AccountControllerTests.Can_Not_Change_Password C# (CSharp) Method

        public void Can_Not_Change_Password()
        {
            // Arrange
            ChangePasswordViewModel model = new ChangePasswordViewModel
            {
                Email = "[email protected]",
                Password = "newPass123",
                PasswordAgain = "newPass123"
            };

            // Act
            ActionResult res = accountController.ChangePassword(model);
            accountController.ModelState.AddModelError("error", "Invalid email");

            // Assert
            Assert.IsInstanceOf(typeof(ViewResult), res);
        }