fix lint issues

Author: artlowel

src/app/item-page/media-viewer/media-viewer.component.spec.ts

@@ -1,4 +1,7 @@
-import { NO_ERRORS_SCHEMA, PLATFORM_ID } from '@angular/core';
+import {
+  NO_ERRORS_SCHEMA,
+  PLATFORM_ID,
+} from '@angular/core';
 import {
   ComponentFixture,
   TestBed,
@@ -14,7 +17,9 @@ import { of as observableOf } from 'rxjs';
 
 import { AuthService } from '../../core/auth/auth.service';
 import { BitstreamDataService } from '../../core/data/bitstream-data.service';
+import { AuthorizationDataService } from '../../core/data/feature-authorization/authorization-data.service';
 import { Bitstream } from '../../core/shared/bitstream.model';
+import { FileService } from '../../core/shared/file.service';
 import { MediaViewerItem } from '../../core/shared/media-viewer-item.model';
 import { MetadataFieldWrapperComponent } from '../../shared/metadata-field-wrapper/metadata-field-wrapper.component';
 import { AuthServiceMock } from '../../shared/mocks/auth.service.mock';
@@ -27,10 +32,6 @@ import { ThemeService } from '../../shared/theme-support/theme.service';
 import { FileSizePipe } from '../../shared/utils/file-size-pipe';
 import { VarDirective } from '../../shared/utils/var.directive';
 import { MediaViewerComponent } from './media-viewer.component';
-import {
-  AuthorizationDataService
-} from '../../core/data/feature-authorization/authorization-data.service';
-import { FileService } from '../../core/shared/file.service';
 
 describe('MediaViewerComponent', () => {
   let comp: MediaViewerComponent;
@@ -172,7 +173,7 @@ describe('MediaViewerComponent', () => {
 
     it('should display a default thumbnail', () => {
       const defaultThumbnail = fixture.debugElement.query(
-        By.css('ds-thumbnail')
+        By.css('ds-thumbnail'),
       );
       expect(defaultThumbnail.nativeElement).toBeDefined();
     });