feat: Create E2E tests framework using PyTest (#677)

.github/workflows/e2e-pytest.yml

@@ -0,0 +1,61 @@
+name: E2E Tests (PyTest)
+
+on:
+  push:
+    branches: [ master, main ]
+  pull_request:
+    branches: [ master, main ]
+  workflow_dispatch:
+
+jobs:
+  e2e-pytest:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install -r tests/e2e/requirements.txt
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Pull Docker images
+        run: |
+          docker pull permitio/opal-server:latest
+          docker pull permitio/opal-client:latest
+          docker pull postgres:alpine
+
+      - name: Run E2E tests
+        run: |
+          pytest tests/e2e/ -v -s --tb=short --maxfail=3
+        env:
+          OPAL_IMAGE_TAG: latest
+
+      - name: Upload test results
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: pytest-results
+          path: |
+            pytest-report.html
+            .pytest_cache/
+
+      - name: Cleanup
+        if: always()
+        run: |
+          cd app-tests
+          docker compose -f docker-compose-app-tests.yml down -v || true
+          rm -rf opal-tests-policy-repo temp-repo gitea-data git-repos .env || true

tests/__init__.py

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+"""
+OPAL Testing Suite
+
+This package contains all tests for the OPAL project.
+
+Structure:
+- e2e/: End-to-end tests using PyTest framework
+- (other test directories as needed)
+"""
+
+__version__ = "1.0.0"