Migrate spec vue_mr_widget/stores dir to Jest

spec/javascripts/vue_mr_widget/stores/artifacts_list/actions_spec.js → spec/frontend/vue_mr_widget/stores/artifacts_list/actions_spec.js

 import MockAdapter from 'axios-mock-adapter';
-import testAction from 'spec/helpers/vuex_action_helper';
-import { TEST_HOST } from 'spec/test_constants';
+import testAction from 'helpers/vuex_action_helper';
+import { TEST_HOST } from 'helpers/test_constants';
 import axios from '~/lib/utils/axios_utils';
 import {
   setEndpoint,

spec/javascripts/vue_mr_widget/stores/mr_widget_store_spec.js → spec/frontend/vue_mr_widget/stores/mr_widget_store_spec.js

@@ -73,13 +73,13 @@ describe('MergeRequestStore', () => {
       it('returns true when nothingToMerge', () => {
         store.state = stateKey.nothingToMerge;
 
-        expect(store.isNothingToMergeState).toEqual(true);
+        expect(store.isNothingToMergeState).toBe(true);
       });
 
       it('returns false when not nothingToMerge', () => {
         store.state = 'state';
 
-        expect(store.isNothingToMergeState).toEqual(false);
+        expect(store.isNothingToMergeState).toBe(false);
       });
     });
   });
@@ -88,13 +88,13 @@ describe('MergeRequestStore', () => {
     it('should set the add ci config path', () => {
       store.setData({ ...mockData });
 
-      expect(store.mergeRequestAddCiConfigPath).toEqual('/group2/project2/new/pipeline');
+      expect(store.mergeRequestAddCiConfigPath).toBe('/group2/project2/new/pipeline');
     });
 
     it('should set humanAccess=Maintainer when user has that role', () => {
       store.setData({ ...mockData });
 
-      expect(store.humanAccess).toEqual('Maintainer');
+      expect(store.humanAccess).toBe('Maintainer');
     });
 
     it('should set pipelinesEmptySvgPath', () => {