OZG-5698 fix tests

alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.spec.ts

@@ -182,6 +182,7 @@ describe('VorgangDetailBescheidenResultAttachmentsComponent', () => {
       const subscription = mock(Subscription);
       const observable = mock(Observable);
       observable.subscribe.mockReturnValue(subscription);
+      bescheidService.getUploadedAttachment.mockReturnValue(observable);
       component.ngOnInit();
 
       component.ngOnDestroy();
@@ -224,6 +225,7 @@ describe('VorgangDetailBescheidenResultAttachmentsComponent', () => {
 
     beforeEach(() => {
       attachment = createLoadedBinaryFileResource();
+      bescheidService.getUploadedAttachment.mockReturnValue(of(attachment));
     });
 
     it('should should set uploaded attachments', () => {