fix it

Author: mydea

dev-packages/e2e-tests/test-applications/react-19/src/index.tsx

@@ -6,9 +6,7 @@ import Index from './pages/Index';
 
 Sentry.init({
   environment: 'qa', // dynamic sampling bias to keep transactions
-  dsn:
-    process.env.REACT_APP_E2E_TEST_DSN ||
-    'https://3b6c388182fb435097f41d181be2b2ba@o4504321058471936.ingest.sentry.io/4504321066008576',
+  dsn: process.env.REACT_APP_E2E_TEST_DSN,
   release: 'e2e-test',
   tunnel: 'http://localhost:3031/', // proxy server
 });

dev-packages/test-utils/src/event-proxy-server.ts

@@ -195,7 +195,13 @@ export async function startEventProxyServer(options: EventProxyServerOptions): P
         listener(Buffer.from(JSON.stringify(data)).toString('base64'));
       });
 
-      return [200, '{}', {}];
+      return [
+        200,
+        '{}',
+        {
+          'Access-Control-Allow-Origin': '*',
+        },
+      ];
     }
 
     const { origin, pathname, host } = new URL(envelopeHeader.dsn as string);