enable tests in github actions

.github/workflows/pr.yaml

@@ -7,13 +7,20 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.9, "3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
-      - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: ${{ matrix.python-version }}
+      - name: Start Redis
+        uses: supercharge/redis-github-action@1.8.0
+        with:
+          redis-version: 7
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -22,7 +29,6 @@ jobs:
           pip install -r requirements-dev.txt
 
       - name: Run tests
-        if: false
         run: pytest
 
   build: