Remove localVue from discussion_jump_to_next_button_spec.js

spec/frontend/notes/components/discussion_jump_to_next_button_spec.js

 import jumpToNextDiscussionButton from '~/notes/components/discussion_jump_to_next_button.vue';
-import { shallowMount, createLocalVue } from '@vue/test-utils';
-
-const localVue = createLocalVue();
+import { shallowMount } from '@vue/test-utils';
 
 describe('jumpToNextDiscussionButton', () => {
   let wrapper;
 
   beforeEach(() => {
     wrapper = shallowMount(jumpToNextDiscussionButton, {
-      localVue,
       sync: false,
     });
   });
@@ -17,17 +14,13 @@ describe('jumpToNextDiscussionButton', () => {
     wrapper.destroy();
   });
 
-  it('emits onClick event on button click', done => {
+  it('emits onClick event on button click', () => {
     const button = wrapper.find({ ref: 'button' });
 
     button.trigger('click');
 
-    localVue.nextTick(() => {
     expect(wrapper.emitted()).toEqual({
       onClick: [[]],
     });
-
-      done();
-    });
   });
 });