OZG-6305 OZG-6463 fix unit test

alfa-client/libs/collaboration/src/lib/collaboration-in-vorgang-container/collaboration-request-form/organisations-einheit-container/organisations-einheit-container.component.spec.ts

@@ -7,7 +7,7 @@ import {
   mock,
 } from '@alfa-client/test-utils';
 import { OzgcloudDialogService } from '@alfa-client/ui';
-import { DialogRef } from '@angular/cdk/dialog';
+import { DialogConfig, DialogRef } from '@angular/cdk/dialog';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { FormControl } from '@angular/forms';
 import { getUrl } from '@ngxp/rest';
@@ -108,11 +108,17 @@ describe('OrganisationsEinheitContainerComponent', () => {
     });
 
     it('should call dialog service', () => {
+      const DIALOG_CONFIG: DialogConfig = {
+        backdropClass: ['backdrop-blur-1', 'bg-greybackdrop'],
+      };
+
       component.openSearchDialog();
 
       expect(dialogService.openInCallingComponentContext).toHaveBeenCalledWith(
         SearchOrganisationsEinheitContainerComponent,
         component.viewContainerRef,
+        null,
+        DIALOG_CONFIG,
       );
     });