Fix karma

app/assets/javascripts/notes.js

@@ -413,8 +413,8 @@ export default class Notes {
       return;
     }
     this.note_ids.push(noteEntity.id);
-    form = $form || $(`.js-discussion-note-form[data-discussion-id="${noteEntity.discussion_id}"]`);
 
+    form = $form || $(`.js-discussion-note-form[data-discussion-id="${noteEntity.discussion_id}"]`);
     row = form.length ? form.closest('tr') : $(`#${noteEntity.discussion_line_code}`);
 
     if (noteEntity.on_image) {

spec/javascripts/notes_spec.js

@@ -333,6 +333,7 @@ import '~/notes';
           diff_discussion_html: false,
         };
         $form = jasmine.createSpyObj('$form', ['closest', 'find']);
+        $form.length = 1;
         row = jasmine.createSpyObj('row', ['prevAll', 'first', 'find']);
 
         notes = jasmine.createSpyObj('notes', [