public async Task EditPost_ReturnsARedirectAndAddsSesshin_WhenModelStateIsValid()
{
// Arrange
_mockService.MockEditAsync(_testProduct);
// Act
var result = await _controller.Edit(_testProductId, _testProduct);
// Assert
var redirectToActionResult = Assert.IsType <RedirectToActionResult>(result);
Assert.Null(redirectToActionResult.ControllerName);
Assert.Equal("Index", redirectToActionResult.ActionName);
_mockService.Verify();
_mockService.VerifyEditAsync(Times.Once);
}
