OZG-7620 fix test

alfa-client/libs/admin/shared/src/lib/admin-delete-open-dialog-button/admin-delete-open-dialog-button.component.spec.ts

 import { ComponentFixture, TestBed } from '@angular/core/testing';
 
+import { OpenDialogButtonComponent } from '@ods/component';
+import { DeleteIconComponent } from '@ods/system';
+import { MockComponent } from 'ng-mocks';
 import { AdminDeleteOpenDialogButtonComponent } from './admin-delete-open-dialog-button.component';
 
 describe('AdminDeleteOpenDialogButtonComponent', () => {
@@ -8,9 +11,9 @@ describe('AdminDeleteOpenDialogButtonComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      imports: [AdminDeleteOpenDialogButtonComponent]
-    })
-    .compileComponents();
+      imports: [AdminDeleteOpenDialogButtonComponent],
+      declarations: [MockComponent(OpenDialogButtonComponent), MockComponent(DeleteIconComponent)],
+    }).compileComponents();
 
     fixture = TestBed.createComponent(AdminDeleteOpenDialogButtonComponent);
     component = fixture.componentInstance;