fix run_test.yml file for test

.github/workflows/run_test.yml

@@ -8,17 +8,18 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v2.5.1
 
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v2.4.0
       with:
         python-version: 3.11.2
 
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
+        pip install pytest
 
     - name: Run pytest
       run: |