test: cleanup capacity commitments leftover from failed samples tests (#224)

* test: cleanup capacity commitments leftover from failed samples tests

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* try session scope

* handle failed commitments in cleanup

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <[email protected]>

Author: 3 people

bigquery-reservation/snippets/conftest.py

@@ -21,6 +21,21 @@
 import pytest
 
 
+@pytest.fixture(scope="session", autouse=True)
+def cleanup_commitments(
+    reservation_client: reservation_service.ReservationServiceClient, location_path: str
+) -> None:
+    for commitment in reservation_client.list_capacity_commitments(
+        parent=location_path
+    ):
+        if commitment.state == reservation_types.CapacityCommitment.State.FAILED or (
+            commitment.commitment_start_time is not None
+            and commitment.commitment_start_time
+            < datetime.datetime.now(datetime.timezone.utc) - datetime.timedelta(days=1)
+        ):
+            reservation_client.delete_capacity_commitment(name=commitment.name)
+
+
 @pytest.fixture(scope="session")
 def project_id() -> str:
     return os.environ["GOOGLE_CLOUD_PROJECT"]
@@ -47,8 +62,6 @@ def location_path(project_id: str, location: str) -> str:
 def capacity_commitment(
     location_path: str, reservation_client: reservation_service.ReservationServiceClient
 ) -> reservation_types.CapacityCommitment:
-    # TODO(b/196082966): If custom names or creation date property are added,
-    # do pre-test cleanup of past commitments.
     commitment = reservation_types.CapacityCommitment()
     commitment.slot_count = 100
     commitment.plan = reservation_types.CapacityCommitment.CommitmentPlan.FLEX