test(rivetkit): verify cached websocket db refs exceed grace

Author: NathanFlurry

rivetkit-typescript/packages/rivetkit/fixtures/driver-test-suite/sleep-db.ts

@@ -1273,6 +1273,10 @@ export const sleepWsConcurrentDbExceedsGrace = actor({
 			// After the delay, the VFS may be destroyed.
 			const dbRef = c.db;
 
+			await dbRef.execute(
+				`INSERT INTO sleep_log (event, created_at) VALUES ('handler-${index}-start', ${Date.now()})`,
+			);
+
 			ws.send(JSON.stringify({ type: "started", index }));
 
 			// Stagger the delay slightly per index so handlers resume at

rivetkit-typescript/packages/rivetkit/tests/driver/actor-sleep-db.test.ts

@@ -1014,8 +1014,7 @@ describeDriverMatrix("Actor Sleep Db", (driverTestConfig) => {
 			{ timeout: 15_000 },
 		);
 
-		// TODO(#4705): Root-cause task-model shutdown ordering for concurrent WebSocket DB handlers and re-enable this coverage.
-		test.skip(
+		test(
 			"concurrent ws handlers with cached db ref get errors when grace period exceeded",
 			async (c) => {
 				const { client } = await setupDriverTest(c, driverTestConfig);