fix(BA-5650): update test fixtures for mypy compliance

Cherry-pick test updates from slice I so that this branch
passes typecheck independently.

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

Author: jopemachine

tests/unit/manager/dependencies/agents/test_registry.py

@@ -36,6 +36,7 @@ async def test_provide_agent_registry(
             hook_plugin_ctx=MagicMock(),
             network_plugin_ctx=MagicMock(),
             scheduling_controller=MagicMock(),
+            user_repository=MagicMock(),
             debug=False,
             manager_public_key=MagicMock(),
             manager_secret_key=MagicMock(),

tests/unit/manager/repositories/session/test_session_repository.py

@@ -222,7 +222,6 @@ async def session_with_kernel(self, db_with_cleanup: ExtendedAsyncSAEngine) -> S
                 domain_name=domain_name,
                 group_id=group_id,
                 user_uuid=user_id,
-                access_key=access_key,
                 tag=None,
                 status=SessionStatus.RUNNING,
                 status_info=None,
@@ -254,7 +253,6 @@ async def session_with_kernel(self, db_with_cleanup: ExtendedAsyncSAEngine) -> S
                 domain_name=domain_name,
                 group_id=group_id,
                 user_uuid=user_id,
-                access_key=access_key,
                 cluster_mode=ClusterMode.SINGLE_NODE.value,
                 cluster_size=1,
                 cluster_role="main",
@@ -375,8 +373,7 @@ async def test_search_sessions(
         assert session_data.name == "test-session"
         assert session_data.domain_name == session_with_kernel.domain_name
         assert session_data.group_id == session_with_kernel.group_id
-        assert session_data.user_uuid == session_with_kernel.user_id
-        assert session_data.access_key == session_with_kernel.access_key
+        assert session_data.owner_id == session_with_kernel.user_id
 
     async def test_search_sessions_empty_result(
         self,
@@ -548,7 +545,6 @@ async def session_with_allocations(
                 domain_name=domain_name,
                 group_id=group_id,
                 user_uuid=user_id,
-                access_key=access_key,
                 tag=None,
                 status=SessionStatus.RUNNING,
                 status_info=None,
@@ -578,7 +574,6 @@ async def session_with_allocations(
                 domain_name=domain_name,
                 group_id=group_id,
                 user_uuid=user_id,
-                access_key=access_key,
                 cluster_mode=ClusterMode.SINGLE_NODE.value,
                 cluster_size=1,
                 cluster_role="main",