diff --git a/src/app/my-dspace-page/collection-selector/collection-selector.component.spec.ts b/src/app/my-dspace-page/collection-selector/collection-selector.component.spec.ts
index ce54d326fc..af043b447b 100644
--- a/src/app/my-dspace-page/collection-selector/collection-selector.component.spec.ts
+++ b/src/app/my-dspace-page/collection-selector/collection-selector.component.spec.ts
@@ -128,10 +128,13 @@ describe('CollectionSelectorComponent', () => {
 
   beforeEach(() => {
     scheduler = getTestScheduler();
-    fixture = TestBed.createComponent(CollectionSelectorComponent);
+    fixture = TestBed.overrideComponent(CollectionSelectorComponent, {
+      set: {
+        template: '<ds-collection-dropdown (selectionChange)="selectObject($event)"></ds-collection-dropdown>'
+      }
+    }).createComponent(CollectionSelectorComponent);
     component = fixture.componentInstance;
     fixture.detectChanges();
-
   });
 
   it('should create', () => {
diff --git a/src/app/submission/import-external/import-external-collection/submission-import-external-collection.component.spec.ts b/src/app/submission/import-external/import-external-collection/submission-import-external-collection.component.spec.ts
index 4f3c54b642..9edab06c6f 100644
--- a/src/app/submission/import-external/import-external-collection/submission-import-external-collection.component.spec.ts
+++ b/src/app/submission/import-external/import-external-collection/submission-import-external-collection.component.spec.ts
@@ -122,7 +122,7 @@ describe('SubmissionImportExternalCollectionComponent test suite', () => {
       fixture.detectChanges();
 
       fixture.whenStable().then(() => {
-        const dropdownMenu = fixture.debugElement.query(By.css('ds-collection-dropdown')).nativeElement;
+        const dropdownMenu = fixture.debugElement.query(By.css('ds-themed-collection-dropdown')).nativeElement;
         expect(dropdownMenu.classList).toContain('d-none');
       });
     }));