verifying redis is still running

Author: BSd3v

.github/workflows/testing.yml

@@ -264,6 +264,10 @@ jobs:
       - name: Build/Setup test components
         run: npm run setup-tests.py
 
+      - name: Verify Redis connection
+        run: |
+          python -c "import redis; r = redis.Redis(host='localhost', port=6379, db=0); r.ping(); print('Successfully connected to Redis!')"
+
       - name: Run Async Callback Tests
         run: |
           find packages -name dash-*.whl -print -exec sh -c 'pip install "{}[async]"' \;