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/language-menu/language-menu.component.spec.ts

@@ -15,15 +15,11 @@
  * limitations under the License.
  */
 
-import { HttpClientModule } from '@angular/common/http';
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
-import { DirectiveModule } from '../directives/directive.module';
-import { MaterialModule } from '../material.module';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { AppConfigService } from '../app-config/app-config.service';
-import { TranslateLoaderService } from '../services/translate-loader.service';
-
 import { LanguageMenuComponent } from './language-menu.component';
+import { setupTestBed } from '../testing/setupTestBed';
+import { CoreTestingModule } from '../testing/core.testing.module';
 
 describe('LanguageMenuComponent', () => {
 
@@ -31,27 +27,9 @@ describe('LanguageMenuComponent', () => {
     let component: LanguageMenuComponent;
     let appConfig: AppConfigService;
 
-    beforeEach(async(() => {
-        TestBed.configureTestingModule({
-            imports: [
-                MaterialModule,
-                HttpClientModule,
-                DirectiveModule,
-                TranslateModule.forRoot({
-                    loader: {
-                        provide: TranslateLoader,
-                        useClass: TranslateLoaderService
-                    }
-                })
-            ],
-            declarations: [
-                LanguageMenuComponent
-            ],
-            providers: [
-                AppConfigService
-            ]
-        }).compileComponents();
-    }));
+    setupTestBed({
+        imports: [CoreTestingModule]
+    });
 
     beforeEach(() => {
         fixture = TestBed.createComponent(LanguageMenuComponent);
@@ -59,6 +37,10 @@ describe('LanguageMenuComponent', () => {
         appConfig = TestBed.get(AppConfigService);
     });
 
+    afterEach(() => {
+        fixture.destroy();
+    });
+
     it('should have the default language', () => {
         fixture.detectChanges();
         expect(component.languages).toEqual([{ key: 'en', label: 'English'}]);