public async Task Should_ReturnStatus400_When_EamilNotUniqueAsync()
{
//Arrange
_mockUserService.Setup(x => x.CheckByEmailAsync(It.IsAny <string>())).ReturnsAsync(true);
//Action
var actResult = await _controller.AddAsync(_correctModel);
var contentResult = actResult as ContentResult;
//Assert
Assert.IsType <ContentResult>(actResult);
Assert.Equal(StatusCodes.Status400BadRequest, contentResult.StatusCode);
}
