Fix complication error in comment test.

Author: FireMasterK

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeCommentsExtractorTest.java

@@ -369,8 +369,8 @@ public void testGetCommentsFormatting() throws IOException, ExtractionException
 
             final CommentsInfoItem firstComment = comments.getItems().get(0);
 
-            assertContains("<s>", firstComment.getCommentText());
-            assertContains("<b>", firstComment.getCommentText());
+            assertContains("<s>", firstComment.getCommentText().getContent());
+            assertContains("<b>", firstComment.getCommentText().getContent());
         }
     }
 }