Increase Jest timeout to 500ms

spec/frontend/gfm_auto_complete_spec.js

@@ -7,11 +7,8 @@ import 'jquery.caret';
 import 'at.js';
 
 import { TEST_HOST } from 'helpers/test_constants';
-import { setTestTimeout } from 'helpers/timeout';
 import { getJSONFixture } from 'helpers/fixtures';
 
-setTestTimeout(500);
-
 const labelsFixture = getJSONFixture('autocomplete_sources/labels.json');
 
 describe('GfmAutoComplete', () => {

spec/frontend/notes/components/discussion_notes_spec.js

@@ -8,7 +8,6 @@ import PlaceholderSystemNote from '~/vue_shared/components/notes/placeholder_sys
 import SystemNote from '~/vue_shared/components/notes/system_note.vue';
 import TimelineEntryItem from '~/vue_shared/components/notes/timeline_entry_item.vue';
 import createStore from '~/notes/stores';
-import { setTestTimeout } from 'helpers/timeout';
 import {
   noteableDataMock,
   discussionMock,
@@ -18,8 +17,6 @@ import {
 const localVue = createLocalVue();
 
 describe('DiscussionNotes', () => {
-  setTestTimeout(500);
-
   let wrapper;
 
   const createComponent = props => {

spec/frontend/pages/admin/abuse_reports/abuse_reports_spec.js

 import $ from 'jquery';
 import '~/lib/utils/text_utility';
 import AbuseReports from '~/pages/admin/abuse_reports/abuse_reports';
-import { setTestTimeout } from 'helpers/timeout';
-
-setTestTimeout(500);
 
 describe('Abuse Reports', () => {
   const FIXTURE = 'abuse_reports/abuse_reports_list.html';

spec/frontend/test_setup.js

@@ -15,7 +15,7 @@ afterEach(() =>
   }),
 );
 
-initializeTestTimeout(300);
+initializeTestTimeout(500);
 
 // fail tests for unmocked requests
 beforeEach(done => {