modified unit tests

Signed-off-by: Dennis Schmitt <dennis.schmitt@pta.de>
diff --git a/projects/grid-failure-information-app/src/app/pages/grid-failure/grid-failure-list/grid-failure-list.component.spec.ts b/projects/grid-failure-information-app/src/app/pages/grid-failure/grid-failure-list/grid-failure-list.component.spec.ts
index 3fdace4..2772c12 100644
--- a/projects/grid-failure-information-app/src/app/pages/grid-failure/grid-failure-list/grid-failure-list.component.spec.ts
+++ b/projects/grid-failure-information-app/src/app/pages/grid-failure/grid-failure-list/grid-failure-list.component.spec.ts
@@ -17,8 +17,6 @@
 import { Subscription, of } from 'rxjs';
 import { UtilService } from '@grid-failure-information-app/shared/utility';
 import { RolesEnum } from '@grid-failure-information-app/shared/constants/enums';
-import { async } from '@angular/core/testing';
-import { GridApi } from 'ag-grid-community';
 
 describe('GridFailureListComponent ', () => {
   let component: GridFailureListComponent;
@@ -130,7 +128,7 @@
     expect(spy3).toHaveBeenCalled();
   });
 
-  it('should call and check if onGridReady(params) works fine', async(() => {
+  it('should call and check if onGridReady(params) works fine', () => {
     const mockGridApi = {
       setFilterModel() {},
     } as any;
@@ -145,7 +143,7 @@
     component.sandbox.qualifierFilterIsActive = true;
     component.initGridFilter({ api: mockGridApi });
     expect(spy2).toHaveBeenCalledTimes(2);
-  }));
+  });
 
   it('should call and check if changeToSelectionMode() works fine', () => {
     const spy: any = spyOn(component.events$, 'next');