unit test performance (#3194)

* DataTable (-4 sec)

* PaginationComponent (-1 sec)

* DocumentList

* custom testbed setup, test upgrades

* test fixes

* more test fixes

* remove fdescribe

* test fixes

* test fixes

* more test fixes

* test fixes

* upgrade tests

* update tests

* upgrade tests

* upgrade tests

* upgrade tests

* upgrade tests

* update tests

* translate loader fixes

* auth and cookie fixes

* upgrade tests

* upgrade tests

* test fixes

* almost there

* diable broken tests

* process tests (part 1)

* fix lint issues

* another test upgrade

* almost there

* cleanup

* insights testing upgrade

* improve tests

* tests cleanup

* tests cleanup

* cleanup tests

* test cleanup

* favorite nodes tests

* rebase fix syntax

* fix core test

* give up test focus

* flush tabs

* fix search test

* Update document-list.component.spec.ts

* fix document list lock

* increase tick time

* remove duplicate test

lib/core/services/discovery-api.service.spec.ts

@@ -15,11 +15,12 @@
  * limitations under the License.
  */
 
-import { async, TestBed } from '@angular/core/testing';
+import { TestBed } from '@angular/core/testing';
 import { BpmProductVersionModel, EcmProductVersionModel } from '../models/product-version.model';
 import { AppConfigService } from '../app-config/app-config.service';
-import { AppConfigModule } from '../app-config/app-config.module';
 import { DiscoveryApiService } from './discovery-api.service';
+import { setupTestBed } from '../testing/setupTestBed';
+import { CoreTestingModule } from '../testing/core.testing.module';
 
 declare let jasmine: any;
 
@@ -90,16 +91,9 @@ describe('Discovery Api Service', () => {
 
     let service;
 
-    beforeEach(async(() => {
-        TestBed.configureTestingModule({
-            imports: [
-                AppConfigModule
-            ],
-            providers: [
-                DiscoveryApiService
-            ]
-        }).compileComponents();
-    }));
+    setupTestBed({
+        imports: [CoreTestingModule]
+    });
 
     beforeEach(() => {
         let appConfig: AppConfigService = TestBed.get(AppConfigService);