public void AddLikeToPost_InputDataIsNull_Throws()
{
// Arrange
var mock = new Mock <IUnitOfWork>();
PostLikeDTO postLikeDTO = null;
// Act
var likeService = new LikeService(mock.Object);
// Assert
Assert.ThrowsException <ArgumentNullException>(() => likeService.AddLikeToPost(postLikeDTO));
}
