test: await scheduler history settlement

tests/wf_server/test_scheduler_integration.py

@@ -544,6 +544,7 @@ async def test_interrupt_restart_resume_reinterrupt(tmp_path: Path) -> None:
             FileRunStore(root).get_run(run_id).latest_checkpoint_id
             == f"{run_id}.000001"
         )
+        await _wait_for(lambda: len(_entries(root, "asker", "interrupted")) == 1)
         assert len(_entries(root, "asker", "interrupted")) == 1
     finally:
         await first.stop()
@@ -927,6 +928,7 @@ async def test_paused_deleted_run_completion(
         await _wait_for(
             lambda: FileRunStore(root).get_run(gated_id).status.value == "completed"
         )
+        await _wait_for(lambda: len(_entries(root, "pausable", "completed")) == 1)
         assert len(_entries(root, "pausable", "completed")) == 1
 
         # A paused double-interrupt schedule still resumes through the API.
@@ -985,6 +987,7 @@ async def test_paused_deleted_run_completion(
         await _wait_for(
             lambda: FileRunStore(root).get_run(doomed_id).status.value == "completed"
         )
+        await _wait_for(lambda: len(_entries(root, "doomed", "completed")) == 1)
         assert len(_entries(root, "doomed", "completed")) == 1
         with pytest.raises(ScheduleExistsError):
             FileScheduleStore(root).create_schedule(