fixed tests after angular 10 upgrade

src/app/core/json-patch/json-patch-operations.service.spec.ts

@@ -83,7 +83,7 @@ describe('JsonPatchOperationsService test suite', () => {
   const getRequestEntry$ = (successful: boolean) => {
     return observableOf({
       response: { isSuccessful: successful, timeAdded: timestampResponse } as any
-    } as RequestEntry)
+    } as RequestEntry);
   };
 
   function initTestService(): TestService {