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/viewer/components/imgViewer.component.spec.ts

@@ -16,12 +16,12 @@
  */
 
 import { SimpleChange } from '@angular/core';
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { ContentService } from '../../services/content.service';
-import { MaterialModule } from '../../material.module';
-import { ToolbarModule } from '../../toolbar/toolbar.module';
 
 import { ImgViewerComponent } from './imgViewer.component';
+import { setupTestBed } from '../../testing/setupTestBed';
+import { CoreModule } from '../../core.module';
 
 describe('Test Img viewer component ', () => {
 
@@ -35,18 +35,14 @@ describe('Test Img viewer component ', () => {
         return new Blob([data], {type: 'image/png'});
     }
 
-    beforeEach(async(() => {
-        TestBed.configureTestingModule({
-            imports: [
-                MaterialModule,
-                ToolbarModule
-            ],
-            declarations: [ImgViewerComponent]
-        }).compileComponents();
-        service = TestBed.get(ContentService);
-    }));
+    setupTestBed({
+        imports: [
+            CoreModule.forRoot()
+        ]
+    });
 
     beforeEach(() => {
+        service = TestBed.get(ContentService);
         fixture = TestBed.createComponent(ImgViewerComponent);
 
         element = fixture.nativeElement;