Add github action for e2e tests

.github/workflows/test_e2e.yml

@@ -0,0 +1,36 @@
+name: Run e2e (browser) tests
+on:
+  pull_request:
+    branches:
+      - bau/playwright-dev-test
+  workflow_call:
+    inputs:
+      copilot_environment:
+        description: "Copilot environment to deploy to"
+        type: string
+        default: dev
+  workflow_dispatch:
+    inputs:
+      copilot_environment:
+        description: "Copilot environment to deploy to"
+        type: choice
+        options:
+          - dev
+          - test
+        default: dev
+
+jobs:
+  run_tests:
+    name: e2e tests
+    runs-on: ubuntu-latest
+    environment: ${{ inputs.copilot_environment }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.11'
+        cache: 'pip' # caching pip dependencies
+    - name: Install dependencies
+      run: pip install -r requirements-dev.txt
+    - name: Run tests
+      run: pytest tests --e2e --e2e-env ${{ inputs.copilot_environment }}