Stabilize dependency scheduling teardown

server/src/__tests__/heartbeat-dependency-scheduling.test.ts

@@ -123,6 +123,7 @@ describeEmbeddedPostgres("heartbeat dependency-aware queued run selection", () =
     await db.delete(issueTreeHolds);
     await db.delete(issues);
     await db.delete(heartbeatRunEvents);
+    await db.delete(activityLog);
     await db.delete(heartbeatRuns);
     await db.delete(agentWakeupRequests);
     await db.delete(agentRuntimeState);