fix(BA-5650-H): align remaining test fixtures with renamed fields

- TerminatingSessionData uses ``main_access_key`` (was access_key) in
  test_terminate_sessions.
- SessionData fixture in test_session_adapter uses ``owner_id`` and
  drops the dropped ``access_key`` field.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: jopemachine

tests/unit/manager/api/adapters/test_session_adapter.py

@@ -39,7 +39,7 @@ def _create_session_data(
         cluster_size=1,
         domain_name="default",
         group_id=uuid4(),
-        user_uuid=uuid4(),
+        owner_id=uuid4(),
         occupying_slots={},
         requested_slots={"cpu": Decimal("1"), "mem": Decimal("1073741824")},
         use_host_network=False,
@@ -49,7 +49,7 @@ def _create_session_data(
         num_queries=0,
         creation_id="test-creation-id",
         name=name,
-        access_key=None,
+        
         scaling_group_name="default",
         target_sgroup_names=None,
         agent_ids=None,
@@ -123,7 +123,7 @@ def test_domain_and_user_fields(self) -> None:
         data = _create_session_data()
         node = SessionAdapter._session_data_to_node(data)
         assert node.domain_name == "default"
-        assert node.user_id == data.user_uuid
+        assert node.user_id == data.owner_id
         assert node.project_id == data.group_id
 
     def test_network_host_network_false(self) -> None: