Update python-lint.yml

.github/workflows/python-lint.yml

@@ -46,4 +46,31 @@ jobs:
       - name: ruff format --check $ALL_CHANGED_FILES
         env:
           ALL_CHANGED_FILES: ${{ steps.get-changed-files.outputs.all_changed_files }}
-        run: ruff format $ALL_CHANGED_FILES
+        run: ruff format $ALL_CHANGED_FILES
+
+  unit_tests_ubuntu_utc:
+    name: Unit Testing (Ubuntu)
+    needs: lint_stylecheck
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Set Timezone
+        run: sudo timedatectl set-timezone UTC
+
+      - uses: actions/checkout@v4
+      - name: Copy README
+        run: cp README.md python/
+
+      - uses: actions/setup-python@v5
+        name: Setup Python
+        with:
+          python-version: "3.9"
+          cache: "pip"
+          cache-dependency-path: "python/setup.py"
+      - run: pip install -e python[dev]
+
+      - name: Display Python version
+        run: python --version
+
+      - name: Run Pytest suite
+        run: pytest python/tests