Remove incorrect localVue usage

localVue is required only with use method

spec/frontend/vue_mr_widget/components/artifacts_list_app_spec.js

@@ -29,7 +29,7 @@ describe('Merge Requests Artifacts list app', () => {
   });
 
   const createComponent = () => {
-    wrapper = mount(localVue.extend(ArtifactsListApp), {
+    wrapper = mount(ArtifactsListApp, {
       propsData: {
         endpoint: TEST_HOST,
       },

spec/frontend/vue_mr_widget/components/artifacts_list_spec.js

-import { shallowMount, createLocalVue } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import { GlLink } from '@gitlab/ui';
 import ArtifactsList from '~/vue_merge_request_widget/components/artifacts_list.vue';
 import { artifactsList } from './mock_data';
 
 describe('Artifacts List', () => {
   let wrapper;
-  const localVue = createLocalVue();
 
   const data = {
     artifacts: artifactsList,
   };
 
   const mountComponent = props => {
-    wrapper = shallowMount(localVue.extend(ArtifactsList), {
+    wrapper = shallowMount(ArtifactsList, {
       propsData: {
         ...props,
       },
       sync: false,
-      localVue,
     });
   };
 

spec/frontend/vue_mr_widget/components/mr_widget_container_spec.js

-import { shallowMount, createLocalVue } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import MrWidgetContainer from '~/vue_merge_request_widget/components/mr_widget_container.vue';
 
 const BODY_HTML = '<div class="test-body">Hello World</div>';
@@ -8,10 +8,7 @@ describe('MrWidgetContainer', () => {
   let wrapper;
 
   const factory = (options = {}) => {
-    const localVue = createLocalVue();
-
-    wrapper = shallowMount(localVue.extend(MrWidgetContainer), {
-      localVue,
+    wrapper = shallowMount(MrWidgetContainer, {
       ...options,
     });
   };

spec/frontend/vue_mr_widget/components/mr_widget_icon_spec.js

-import { shallowMount, createLocalVue } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import MrWidgetIcon from '~/vue_merge_request_widget/components/mr_widget_icon.vue';
 import Icon from '~/vue_shared/components/icon.vue';
 
@@ -8,14 +8,11 @@ describe('MrWidgetIcon', () => {
   let wrapper;
 
   beforeEach(() => {
-    const localVue = createLocalVue();
-
-    wrapper = shallowMount(localVue.extend(MrWidgetIcon), {
+    wrapper = shallowMount(MrWidgetIcon, {
       propsData: {
         name: TEST_ICON,
       },
       sync: false,
-      localVue,
     });
   });
 

spec/frontend/vue_mr_widget/components/states/commit_edit_spec.js

-import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import CommitEdit from '~/vue_merge_request_widget/components/states/commit_edit.vue';
 
-const localVue = createLocalVue();
 const testCommitMessage = 'Test commit message';
 const testLabel = 'Test label';
 const testInputId = 'test-input-id';
@@ -10,8 +9,7 @@ describe('Commits edit component', () => {
   let wrapper;
 
   const createComponent = (slots = {}) => {
-    wrapper = shallowMount(localVue.extend(CommitEdit), {
-      localVue,
+    wrapper = shallowMount(CommitEdit, {
       sync: false,
       propsData: {
         value: testCommitMessage,

spec/frontend/vue_mr_widget/components/states/mr_widget_commit_message_dropdown_spec.js

-import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import { GlDropdownItem } from '@gitlab/ui';
 import CommitMessageDropdown from '~/vue_merge_request_widget/components/states/commit_message_dropdown.vue';
 
-const localVue = createLocalVue();
 const commits = [
   {
     title: 'Commit 1',
@@ -25,8 +24,7 @@ describe('Commits message dropdown component', () => {
   let wrapper;
 
   const createComponent = () => {
-    wrapper = shallowMount(localVue.extend(CommitMessageDropdown), {
-      localVue,
+    wrapper = shallowMount(CommitMessageDropdown, {
       sync: false,
       propsData: {
         commits,

spec/frontend/vue_mr_widget/components/states/mr_widget_commits_header_spec.js

-import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import CommitsHeader from '~/vue_merge_request_widget/components/states/commits_header.vue';
 import Icon from '~/vue_shared/components/icon.vue';
 
-const localVue = createLocalVue();
-
 describe('Commits header component', () => {
   let wrapper;
 
   const createComponent = props => {
-    wrapper = shallowMount(localVue.extend(CommitsHeader), {
-      localVue,
+    wrapper = shallowMount(CommitsHeader, {
       sync: false,
       propsData: {
         isSquashEnabled: false,

spec/frontend/vue_mr_widget/deployment/deployment_view_button_spec.js

-import { mount, createLocalVue } from '@vue/test-utils';
+import { mount } from '@vue/test-utils';
 import DeploymentViewButton from '~/vue_merge_request_widget/components/deployment/deployment_view_button.vue';
 import ReviewAppLink from '~/vue_merge_request_widget/components/review_app_link.vue';
 import deploymentMockData from './deployment_mock_data';
@@ -7,10 +7,7 @@ describe('Deployment View App button', () => {
   let wrapper;
 
   const factory = (options = {}) => {
-    const localVue = createLocalVue();
-
-    wrapper = mount(localVue.extend(DeploymentViewButton), {
-      localVue,
+    wrapper = mount(DeploymentViewButton, {
       ...options,
     });
   };