Remove incorrect localVue usage in various files

localVue is required only with use method

ee/spec/frontend/alerts_service_settings/components/alerts_service_form_spec.js

@@ -23,7 +23,7 @@ describe('AlertsServiceForm', () => {
   let mockAxios;
 
   const createComponent = (props = defaultProps, { methods } = {}) => {
-    wrapper = shallowMount(localVue.extend(AlertsServiceForm), {
+    wrapper = shallowMount(AlertsServiceForm, {
       localVue,
       propsData: {
         ...defaultProps,

ee/spec/frontend/boards/components/board_scope_spec.js

-import { createLocalVue, mount } from '@vue/test-utils';
+import { mount } from '@vue/test-utils';
 import BoardScope from 'ee/boards/components/board_scope.vue';
 import { TEST_HOST } from 'helpers/test_constants';
 
@@ -7,8 +7,6 @@ describe('BoardScope', () => {
   let vm;
 
   beforeEach(() => {
-    const localVue = createLocalVue();
-
     const propsData = {
       collapseScope: false,
       canAdminBoard: false,
@@ -22,7 +20,6 @@ describe('BoardScope', () => {
 
     wrapper = mount(BoardScope, {
       propsData,
-      localVue,
       sync: false,
     });
 

ee/spec/frontend/clusters/components/environments_spec.js

@@ -7,7 +7,6 @@ import environments from './mock_data';
 const localVue = createLocalVue();
 
 describe('Environments', () => {
-  const Component = localVue.extend(Environments);
   let wrapper;
   let propsData;
 
@@ -20,7 +19,7 @@ describe('Environments', () => {
       isFetching: false,
     };
 
-    wrapper = mount(Component, {
+    wrapper = mount(Environments, {
       propsData,
       localVue,
     });
@@ -43,7 +42,7 @@ describe('Environments', () => {
     let table;
 
     beforeAll(() => {
-      wrapper = mount(Component, {
+      wrapper = mount(Environments, {
         propsData: { ...propsData, environments },
         localVue,
         stubs: { deploymentInstance: '<div class="js-deployment-instance"></div>' },

ee/spec/frontend/design_management/components/upload/design_version_dropdown_spec.js

-import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import DesignVersionDropdown from 'ee/design_management/components/upload/design_version_dropdown.vue';
 import { GlDropdown, GlDropdownItem } from '@gitlab/ui';
 import mockAllVersions from './mock_data/all_versions';
@@ -6,8 +6,6 @@ import mockAllVersions from './mock_data/all_versions';
 const LATEST_VERSION_ID = 3;
 const PREVIOUS_VERSION_ID = 2;
 
-const localVue = createLocalVue();
-
 const designRouteFactory = versionId => ({
   path: `/designs?version=${versionId}`,
   query: {
@@ -29,7 +27,6 @@ describe('Design management design version dropdown component', () => {
         projectPath: '',
         issueIid: '',
       },
-      localVue,
       mocks: {
         $route,
       },

ee/spec/frontend/notes/components/note_actions_spec.js

@@ -12,7 +12,7 @@ describe('noteActions', () => {
   let props;
 
   const createWrapper = propsData =>
-    shallowMount(localVue.extend(noteActions), {
+    shallowMount(noteActions, {
       store,
       propsData,
       localVue,

ee/spec/frontend/operations/components/dashboard/project_header_spec.js

@@ -10,7 +10,7 @@ describe('project header component', () => {
   let wrapper;
 
   const factory = () => {
-    wrapper = shallowMount(localVue.extend(ProjectHeader), {
+    wrapper = shallowMount(ProjectHeader, {
       propsData: {
         project: mockOneProject,
       },

ee/spec/frontend/prometheus_alerts/components/reset_key_spec.js

-import { shallowMount, createLocalVue } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import MockAdapter from 'axios-mock-adapter';
 import ResetKey from 'ee/prometheus_alerts/components/reset_key.vue';
 import { GlModal } from '@gitlab/ui';
@@ -7,10 +7,8 @@ import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
 import axios from '~/lib/utils/axios_utils';
 
 describe('ResetKey', () => {
-  let Component;
   let mock;
   let vm;
-  const localVue = createLocalVue();
 
   const propsData = {
     initialAuthorizationKey: 'abcd1234',
@@ -21,7 +19,6 @@ describe('ResetKey', () => {
 
   beforeEach(() => {
     mock = new MockAdapter(axios);
-    Component = localVue.extend(ResetKey);
     setFixtures('<div class="flash-container"></div><div id="reset-key"></div>');
   });
 
@@ -33,7 +30,7 @@ describe('ResetKey', () => {
   describe('authorization key exists', () => {
     beforeEach(() => {
       propsData.initialAuthorizationKey = 'abcd1234';
-      vm = shallowMount(Component, {
+      vm = shallowMount(ResetKey, {
         propsData,
       });
     });
@@ -85,7 +82,7 @@ describe('ResetKey', () => {
   describe('authorization key has not been set', () => {
     beforeEach(() => {
       propsData.initialAuthorizationKey = '';
-      vm = shallowMount(Component, {
+      vm = shallowMount(ResetKey, {
         propsData,
       });
     });

ee/spec/frontend/subscriptions/new/components/checkout/progress_bar_spec.js

@@ -6,7 +6,7 @@ describe('Progress Bar', () => {
   let wrapper;
 
   const factory = propsData => {
-    wrapper = shallowMount(localVue.extend(component), {
+    wrapper = shallowMount(component, {
       propsData,
       localVue,
       sync: false,