Align CI and Poe test lanes with runtime compose flows

backend/tests/integration/test_api.py

@@ -14,7 +14,6 @@ from backend.main import app, compatibility_status, get_api_session
 client = TestClient(app)
 
 
-@pytest.mark.integration
 class TestAPIIntegration:
     """Integration tests for API endpoints."""
 

backend/tests/integration/test_runtime_blackbox.py

@@ -12,6 +12,7 @@ import pytest
 BACKEND_BASE_URL = os.getenv("INTEGRATION_BACKEND_URL", "http://backend:8000").rstrip(
     "/"
 )
+pytestmark = pytest.mark.integration
 
 
 def _fetch(path: str) -> tuple[int, str]:
@@ -27,7 +28,6 @@ def _fetch(path: str) -> tuple[int, str]:
         return exc.code, body
 
 
-@pytest.mark.integration
 def test_root_endpoint_runtime() -> None:
     """Runtime root endpoint should return backend API message."""
     status, body = _fetch("/")
@@ -36,7 +36,6 @@ def test_root_endpoint_runtime() -> None:
     assert payload == {"message": "Plex Playlist Backend API"}
 
 
-@pytest.mark.integration
 def test_health_endpoint_runtime() -> None:
     """Runtime health endpoint should report healthy database connectivity."""
     status, body = _fetch("/health")
@@ -46,7 +45,6 @@ def test_health_endpoint_runtime() -> None:
     assert payload.get("database") == "connected"
 
 
-@pytest.mark.integration
 def test_compatibility_endpoint_runtime() -> None:
     """Runtime compatibility endpoint should report policy check success."""
     status, body = _fetch("/compatibility")