FE review changes - remove internal details assertion and look for closest form…

app/assets/javascripts/notes.js

@@ -415,7 +415,7 @@ export default class Notes {
     this.note_ids.push(noteEntity.id);
 
     form = $form || $(`.js-discussion-note-form[data-discussion-id="${noteEntity.discussion_id}"]`);
-    row = form.length ? form.closest('tr') : $(`#${noteEntity.discussion_line_code}`);
+    row = (form.length || !noteEntity.discussion_line_code) ? form.closest('tr') : $(`#${noteEntity.discussion_line_code}`);
 
     if (noteEntity.on_image) {
       row = form;

spec/javascripts/notes_spec.js

@@ -380,13 +380,9 @@ import '~/notes';
           document.body.appendChild(line);
 
           $form.closest.and.returnValues($form);
-          spyOn(document, 'getElementById').and.callThrough();
-          spyOn($.fn, 'after').and.callThrough();
 
           Notes.prototype.renderDiscussionNote.call(notes, note, $form);
 
-          expect(document.getElementById).toHaveBeenCalledWith(note.discussion_line_code);
-          expect($.fn.after).toHaveBeenCalled();
           expect(line.nextSibling.outerHTML).toEqual(note.diff_discussion_html);
         });
       });