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/directives/node-delete.directive.ts

@@ -96,8 +96,9 @@ export class NodeDeleteDirective implements OnChanges {
             Observable.forkJoin(...batch)
                 .subscribe((data: ProcessedNodeData[]) => {
                     const processedItems: ProcessStatus = this.processStatus(data);
+                    const message = this.getMessage(processedItems);
 
-                    this.delete.emit(this.getMessage(processedItems));
+                    this.delete.emit(message);
                 });
         }
     }
@@ -112,9 +113,9 @@ export class NodeDeleteDirective implements OnChanges {
         let promise;
 
         if (node.entry.hasOwnProperty('archivedAt')) {
-            promise = this.alfrescoApiService.getInstance().nodes.purgeDeletedNode(id);
+            promise = this.alfrescoApiService.nodesApi.purgeDeletedNode(id);
         } else {
-            promise = this.alfrescoApiService.getInstance().nodes.deleteNode(id, { permanent: this.permanent });
+            promise = this.alfrescoApiService.nodesApi.deleteNode(id, { permanent: this.permanent });
         }
 
         return Observable.fromPromise(promise)