Fixed tests

Author: 2ndalpha

packages/javascript-api/src/lib/services/api-base/api-base.spec.ts

@@ -522,7 +522,7 @@ describe('ApiBase', () => {
         await Qminder.ApiBase.queryGraph(ME_ID.request);
       }).rejects.toThrow(
         new ResponseValidationError(
-          `Server response is not valid GraphQL response. Response: {}`,
+          'Error occurred! Could not extract error message!',
         ),
       );
     });