[TIP] Fix failing QueryBar test suite (elastic#137834) (elastic#137851)

(cherry picked from commit e6ecf81)

Co-authored-by: Luke Gmys <[email protected]>

x-pack/plugins/threat_intelligence/public/common/mocks/test_providers.tsx

@@ -48,7 +48,8 @@ export const createTiStorageMock = () => {
 
 const data = dataPluginMock.createStartContract();
 const { storage } = createTiStorageMock();
-const unifiedSearch = unifiedSearchPluginMock.createStartContract();
+
+export const unifiedSearch = unifiedSearchPluginMock.createStartContract();
 
 const dataServiceMock = {
   ...data,
@@ -100,18 +101,16 @@ const mockSecurityContext: ThreatIntelligenceSecuritySolutionContext = {
 
 mockCoreStart.uiSettings.get.mockImplementation(mockUiSetting);
 
+const mockedServices = {
+  ...mockCoreStart,
+  data: dataServiceMock,
+  storage,
+  unifiedSearch,
+} as unknown as Services;
+
 export const TestProvidersComponent: FC = ({ children }) => (
   <SecuritySolutionContext.Provider value={mockSecurityContext}>
-    <KibanaContextProvider
-      services={
-        {
-          ...mockCoreStart,
-          data: dataServiceMock,
-          storage,
-          unifiedSearch,
-        } as unknown as Services
-      }
-    >
+    <KibanaContextProvider services={mockedServices}>
       <I18nProvider>{children}</I18nProvider>
     </KibanaContextProvider>
   </SecuritySolutionContext.Provider>

x-pack/plugins/threat_intelligence/public/modules/indicators/components/query_bar/query_bar.test.tsx

@@ -13,20 +13,24 @@ import userEvent from '@testing-library/user-event';
 import { FilterManager } from '@kbn/data-plugin/public';
 
 import { coreMock } from '@kbn/core/public/mocks';
-import { TestProvidersComponent } from '../../../../common/mocks/test_providers';
+import { TestProvidersComponent, unifiedSearch } from '../../../../common/mocks/test_providers';
 import { getByTestSubj } from '../../../../../common/test/utils';
+import { setAutocomplete } from '@kbn/unified-search-plugin/public/services';
 
 const mockUiSettingsForFilterManager = coreMock.createStart().uiSettings;
 
 const filterManager = new FilterManager(mockUiSettingsForFilterManager);
 
-// Failing: See https://github.com/elastic/kibana/issues/137752
-describe.skip('QueryBar ', () => {
+describe('QueryBar ', () => {
   const onSubmitQuery = jest.fn();
   const onSubmitDateRange = jest.fn();
   const onSavedQuery = jest.fn();
   const onChangedQuery = jest.fn();
 
+  beforeEach(() => {
+    setAutocomplete(unifiedSearch.autocomplete);
+  });
+
   beforeEach(async () => {
     await act(async () => {
       render(