diff --git a/src/Squidex/app/framework/services/dialog.service.spec.ts b/src/Squidex/app/framework/services/dialog.service.spec.ts
index 235885685..01f9640f1 100644
--- a/src/Squidex/app/framework/services/dialog.service.spec.ts
+++ b/src/Squidex/app/framework/services/dialog.service.spec.ts
@@ -59,6 +59,9 @@ describe('DialogService', () => {
         }, undefined, () => {
             isCompleted = true;
         })
+
+        dialog.complete(true);
+
         expect(isCompleted).toBeTruthy();
         expect(isNext).toBeTruthy();
     });