diff --git a/tests/integration/persistence/test_migrations_postgres.py b/tests/integration/persistence/test_migrations_postgres.py
index babe2c207..1c0eb95c7 100644
--- a/tests/integration/persistence/test_migrations_postgres.py
+++ b/tests/integration/persistence/test_migrations_postgres.py
@@ -929,7 +929,7 @@ class TestPostgreSQLTenantRuntime:
                                 description='',
                                 adapter='capacity-probe',
                                 adapter_config={},
-                                enable=False,
+                                enable=True,
                                 event_bindings=[],
                             ),
                             persistence_pipeline.LegacyPipeline(
diff --git a/tests/unit_tests/agent/test_debug_prompt.py b/tests/unit_tests/agent/test_debug_prompt.py
index 1ba35abf1..1c29c4915 100644
--- a/tests/unit_tests/agent/test_debug_prompt.py
+++ b/tests/unit_tests/agent/test_debug_prompt.py
@@ -27,6 +27,7 @@ from langbot.pkg.agent.runner.host_models import AgentBinding, AgentEventEnvelop
 from langbot.pkg.agent.runner.orchestrator import AgentRunOrchestrator
 from langbot.pkg.agent.runner.persistent_state_store import reset_persistent_state_store
 from langbot.pkg.agent.runner.session_registry import get_session_registry
+from langbot.pkg.api.http.service.model import LLMModelsService
 from langbot.pkg.api.http.context import (
     ExecutionContext,
     PrincipalContext,
@@ -151,6 +152,7 @@ async def harness():
         runner_registry=ScopedRunnerRegistry(),
     )
     ap.plugin_connector = PromptPullConnector(ap)
+    ap.llm_model_service = LLMModelsService(ap)
     ap.agent_run_orchestrator = AgentRunOrchestrator(ap, ap.runner_registry)
     ap.agent_service = AgentService(ap)
     try:
@@ -315,4 +317,4 @@ async def test_non_debug_query_keeps_effective_prompt_instead_of_static_config(h
         assert query.prompt is original
         assert pulled == [message.model_dump(mode='json') for message in original.messages]
     else:
-        assert pulled == []
+        assert pulled == [Message(**message).model_dump(mode='json') for message in DEFAULT_PROMPT]
diff --git a/tests/unit_tests/api/service/test_agent_service.py b/tests/unit_tests/api/service/test_agent_service.py
index 600c3e6d3..d5fc567b8 100644
--- a/tests/unit_tests/api/service/test_agent_service.py
+++ b/tests/unit_tests/api/service/test_agent_service.py
@@ -13,6 +13,7 @@ from langbot.pkg.api.http.service.agent import (
     PIPELINE_EVENT_PATTERNS,
     AgentService,
 )
+from langbot.pkg.api.http.service.model import LLMModelsService
 
 
 pytestmark = pytest.mark.asyncio
@@ -82,6 +83,7 @@ def _compiled_update_values(statement):
 
 def _make_app():
     app = SimpleNamespace()
+    app.llm_model_service = LLMModelsService(app)
     app.persistence_mgr = SimpleNamespace(
         execute_async=AsyncMock(),
         serialize_model=Mock(side_effect=_serialize_agent),
@@ -877,7 +879,9 @@ async def test_event_processor_rejects_invalid_component_and_missing_parameters(
         )
     )
     with pytest.raises(ValueError, match='Required processor parameter'):
-        await service.create_agent(WORKSPACE_UUID, {'kind': 'event_processor', 'component_ref': 'plugin:a/b/c'})
+        await service.create_agent(
+            WORKSPACE_UUID, {'kind': 'event_processor', 'component_ref': 'plugin:a/b/c', 'parameters': {}}
+        )
 
 
 async def test_unavailable_event_processor_can_still_be_renamed():