Add redis server to unittest

.github/workflows/run-unittests.yaml

@@ -9,7 +9,20 @@ jobs:
     strategy:
       matrix:
         python-version: ["3.8", "3.9", "3.10"]
-
+    services:
+      # Label used to access the service container
+      redis:
+        # Docker Hub image
+        image: redis
+        # Ports to map
+        ports:
+          - 6379:6379
+        # Set health checks to wait until redis is ready
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}