Add missing jobs block in test github action runner

Author: Lorena Mesa

.github/workflows/github-actions-tests.yml

@@ -1,16 +1,19 @@
 name: Run tests and Commit
 on: push
 
-steps:
-- uses: actions/checkout@v4
-- name: Set up Python
-  uses: actions/setup-python@v5
-  with:
-    python-version: '3.10'
-- name: Install dependencies
-  run: |
-    python -m pip install --upgrade pip
-    pip install -r requirements.txt
-- name: Test with unittest
-  run: |
-    python3 -m unittest test/sample_cases_test.py 
+jobs:
+  test:
+    runs-on: ubuntu-latest 
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      - name: Test with unittest
+        run: |
+          python3 -m unittest test/sample_cases_test.py