public void Delete_ShouldReturnOkResult()
{
//Arrange
var mockService = new Mock <IErrorService>();
mockService.Setup(x => x.Delete(It.IsAny <Error>()));
var controller = new ErrorController(mockService.Object, mapper);
//Act
var contentResult = controller.Delete(1);
//Assert
Assert.IsType <OkResult>(contentResult);
}