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/collapsable/accordion.component.spec.ts

@@ -15,21 +15,19 @@
  * limitations under the License.
  */
 
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { AccordionComponent } from './accordion.component';
+import { setupTestBed } from '../testing/setupTestBed';
+import { CoreTestingModule } from '../testing/core.testing.module';
 
 describe('AccordionComponent', () => {
 
     let fixture: ComponentFixture<AccordionComponent>;
     let component: AccordionComponent;
 
-    beforeEach(async(() => {
-        TestBed.configureTestingModule({
-            declarations: [
-                AccordionComponent
-            ]
-        }).compileComponents();
-    }));
+    setupTestBed({
+        imports: [CoreTestingModule]
+    });
 
     beforeEach(() => {
         fixture = TestBed.createComponent(AccordionComponent);