ci: tolerate skipped integration tests

Author: Luca Candela

.github/workflows/ci.yml

@@ -41,5 +41,15 @@ jobs:
           DISABLE_KUZU: '1'
           DISABLE_NEPTUNE: '1'
         run: |
+          set -e
           uv run pytest tests/unit/orchestration/test_bulk_serialization.py tests/unit/search/test_search_utils_filters.py
+
+          set +e
           uv run pytest tests/integration/core/shared/test_ingestion_pipeline.py::test_add_episode_persists_nodes_and_edges
+          status=$?
+          set -e
+          if [ "$status" -eq 5 ]; then
+            echo "Integration test suite skipped (no collectors)."
+          elif [ "$status" -ne 0 ]; then
+            exit "$status"
+          fi