public void MapCopmmentToDTO_ShouldReturnEmptyDTOIfFailed() { //Arrange //Act var sut = CommentMapper.MapCommentToDTO(null); //Assert Assert.AreEqual(sut.ID, null); Assert.AreEqual(sut.Description, null); Assert.AreEqual(sut.Review, null); Assert.AreEqual(sut.User, null); }