Added unit test action

.github/workflows/unittest.yml

@@ -9,7 +9,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Python
-        uses: action/setup-python@v4
+        uses: actions/setup-python@v4
       - name: Install Dependencies
         run: pip install -r requirements.txt
       - name: Run Tests