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/testing/setupTestBed.ts

@@ -0,0 +1,48 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { TestBed, TestModuleMetadata } from '@angular/core/testing';
+
+interface DoneFn extends Function {
+    (): void;
+    fail: (message?: Error | string) => void;
+}
+
+declare function beforeAll(action: (done: DoneFn) => void, timeout?: number): void;
+declare function afterAll(action: (done: DoneFn) => void, timeout?: number): void;
+
+const resetTestingModule = TestBed.resetTestingModule;
+const preventAngularFromResetting = () => (TestBed.resetTestingModule = () => TestBed);
+const allowAngularToReset = () => (TestBed.resetTestingModule = resetTestingModule);
+
+export const setupTestBed = (moduleDef: TestModuleMetadata) => {
+    beforeAll(done =>
+        (async () => {
+            resetTestingModule();
+            preventAngularFromResetting();
+            TestBed.configureTestingModule(moduleDef);
+            await TestBed.compileComponents();
+
+            // prevent Angular from resetting testing module
+            TestBed.resetTestingModule = () => TestBed;
+        })()
+            .then(done)
+            .catch(done.fail)
+    );
+
+    afterAll(() => allowAngularToReset());
+};