diff --git a/frontend/tests/ts/widget.spec.ts b/frontend/tests/ts/widget.spec.ts
index 16472308e..4f6d25c7b 100644
--- a/frontend/tests/ts/widget.spec.ts
+++ b/frontend/tests/ts/widget.spec.ts
@@ -23,6 +23,12 @@ import {getElemsByTag, getElemById, getElemsByClass}
 
 global.WebSocket = WebSocket;
 
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
 /**
  * Helper function to fill DOM from a file
  *