add additional wait for frontend

.github/workflows/test_e2e.yml

@@ -48,6 +48,12 @@ jobs:
           cd e2e-tests/
           yarn
 
+      - name: Wait for the frontend to be ready
+        run: |
+          for i in {1..10}; do
+            curl -s http://localhost:3000/login && break || sleep 5
+          done
+
       - name: End-to-end tests | run tests
         id: e2e-tests
         run: |