[AAE-1695] reduce manual tests (#5455)

* tests cleanup

* cleanup search control tests

* EmptyContentComponent tests

* fix names

* search filter category test

* task list test and code polish

* process list tests and cleanup

* extra task-list tests

* extra start-task tests

* code cleanup

lib/core/services/translation.service.spec.ts

@@ -69,11 +69,6 @@ describe('TranslationService', () => {
         jasmine.Ajax.uninstall();
     });
 
-    it('is defined', () => {
-        expect(translationService).toBeDefined();
-        expect(translationService instanceof TranslationService).toBeTruthy();
-    });
-
     it('should be able to get translations of the KEY: TEST', () => {
         translationService.get('TEST').subscribe((res: string) => {
             expect(res).toEqual('This is a test');