public async void Replace_WhenSelectorIsEmpty_Returns400BadRequest()
{
//Arrange
var htmlParserService = new Mock <IHtmlParserService>();
var htmlParserController = new HtmlParserController(htmlParserService.Object);
//Act
var response = await htmlParserController.ReplacePeopleNamesRandomly("");
var badRequestResult = response as BadRequestResult;
//Assert
Assert.NotNull(badRequestResult);
Assert.Equal(StatusCodes.Status400BadRequest, badRequestResult.StatusCode);
}
