Create GitHub actions workflow for running Python tests

.github/workflows/pytest.yml

@@ -0,0 +1,39 @@
+name: Python tests
+
+on:
+  push:
+    branches: [ "master", "develop", "ci-test" ]
+  pull_request:
+    branches: [ "master", "develop" ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Poetry
+        run: pipx install poetry
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: 'poetry'
+
+      - name: Install Python dependencies
+        run: |
+          poetry config virtualenvs.create false
+          poetry install --no-root --with dev
+
+      - name: Initialize playwright
+        run: |
+          poetry run playwright install chromium
+
+      - name: Test with pytest
+        run: |
+          poetry run pytest