Remove incorrect localVue usage

localVue is required only with use method

spec/frontend/monitoring/components/dashboard_spec.js

@@ -24,13 +24,12 @@ const localVue = createLocalVue();
 const expectedPanelCount = 2;
 
 describe('Dashboard', () => {
-  let DashboardComponent;
   let store;
   let wrapper;
   let mock;
 
   const createShallowWrapper = (props = {}, options = {}) => {
-    wrapper = shallowMount(localVue.extend(DashboardComponent), {
+    wrapper = shallowMount(Dashboard, {
       localVue,
       sync: false,
       propsData: { ...propsData, ...props },
@@ -40,7 +39,7 @@ describe('Dashboard', () => {
   };
 
   const createMountedWrapper = (props = {}, options = {}) => {
-    wrapper = mount(localVue.extend(DashboardComponent), {
+    wrapper = mount(Dashboard, {
       localVue,
       sync: false,
       propsData: { ...propsData, ...props },
@@ -51,7 +50,6 @@ describe('Dashboard', () => {
 
   beforeEach(() => {
     store = createStore();
-    DashboardComponent = localVue.extend(Dashboard);
     mock = new MockAdapter(axios);
   });
 

spec/frontend/monitoring/components/dashboard_time_url_spec.js

-import { mount, createLocalVue } from '@vue/test-utils';
+import { mount } from '@vue/test-utils';
 import createFlash from '~/flash';
 import Dashboard from '~/monitoring/components/dashboard.vue';
 import { createStore } from '~/monitoring/stores';
 import { propsData } from '../init_utils';
 
-const localVue = createLocalVue();
-
 jest.mock('~/flash');
 
 jest.mock('~/lib/utils/url_utility', () => ({
@@ -17,8 +15,7 @@ describe('dashboard invalid url parameters', () => {
   let wrapper;
 
   const createMountedWrapper = (props = {}, options = {}) => {
-    wrapper = mount(localVue.extend(Dashboard), {
-      localVue,
+    wrapper = mount(Dashboard, {
       sync: false,
       propsData: { ...propsData, ...props },
       store,

spec/frontend/monitoring/components/dashboard_time_window_spec.js

-import { mount, createLocalVue } from '@vue/test-utils';
+import { mount } from '@vue/test-utils';
 import { GlDropdownItem } from '@gitlab/ui';
 import MockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
@@ -8,8 +8,6 @@ import { createStore } from '~/monitoring/stores';
 import { propsData, setupComponentStore } from '../init_utils';
 import { metricsGroupsAPIResponse, mockApiEndpoint } from '../mock_data';
 
-const localVue = createLocalVue();
-
 jest.mock('~/lib/utils/url_utility', () => ({
   getParameterValues: jest.fn().mockImplementation(param => {
     if (param === 'start') return ['2019-10-01T18:27:47.000Z'];
@@ -25,8 +23,7 @@ describe('dashboard time window', () => {
   let mock;
 
   const createComponentWrapperMounted = (props = {}, options = {}) => {
-    wrapper = mount(localVue.extend(Dashboard), {
-      localVue,
+    wrapper = mount(Dashboard, {
       sync: false,
       propsData: { ...propsData, ...props },
       store,

spec/frontend/monitoring/components/graph_group_spec.js

-import { shallowMount, createLocalVue } from '@vue/test-utils';
+import { shallowMount } from '@vue/test-utils';
 import GraphGroup from '~/monitoring/components/graph_group.vue';
 import Icon from '~/vue_shared/components/icon.vue';
 
-const localVue = createLocalVue();
-
 describe('Graph group component', () => {
   let wrapper;
 
@@ -12,10 +10,9 @@ describe('Graph group component', () => {
   const findCaretIcon = () => wrapper.find(Icon);
 
   const createComponent = propsData => {
-    wrapper = shallowMount(localVue.extend(GraphGroup), {
+    wrapper = shallowMount(GraphGroup, {
       propsData,
       sync: false,
-      localVue,
     });
   };