public void CommentSection_ShouldCallNeededMethodReturnProperView()
        {
            var expectedCommentsCount = 5;
            var expectedEventId       = Guid.Empty;

            Assert.Throws <ArgumentNullException>(() => _commentController.CommentSection());

            _commentService.Verify(x => x.Get(expectedCommentsCount, expectedEventId), Times.Never);
        }