[ADF-3331] Automated tests for Viewer Component (#3615)

* Automation tests for Viewer Component - Content Services

* Deleting alfresco-ng2-components.iml

* Updating Viewer Page for failing tests

* Adding tests for Viewer Component and some minor changes on Viewer Component - Content Services

* Removing some lines used to test

* Automation tests for Viewer component and Viewer component - Integration with Router + minor changes on tests for Viewer Component - Content Services

* Correcting an import + some improvement to the code

* Correcting tests for opening different file extensions

* Removing a console.log I forgot

* Refactoring the test in Viewer Component

* Refacotring using lint

* Adding browser refresh after each file type

* Moving tests to proper folder

* Minor changes

* remove faulty BE files from e2e

* fix test viewer

* fix process service tests

* fix test

* fix process test

* fix lint
timeout decrease

* increase some timeouts to fix CS e2e

* lint fix

lib/content-services/permission-manager/components/permission-list/permission-list.component.html

@@ -19,6 +19,7 @@
                 <ng-template let-entry="$implicit">
                     <mat-form-field *ngIf="!entry.row.getValue('isInherited') else show_only_label">
                         <mat-select id="adf-select-role-permission"
+                                    [placeholder]="entry.data.getValue(entry.row, entry.col)"
                                     value="{{entry.data.getValue(entry.row, entry.col)}}"
                                     (selectionChange)="saveNewRole($event, entry.row.obj)">
                           <mat-option *ngFor="let role of settableRoles" [value]="role">