update mock

src/mocks/worker.ts

@@ -11,7 +11,7 @@ export const randomWorker: MockFunction<WorkPoolWorker, [Partial<WorkPoolWorker>
     lastHeartbeatTime: this.create('date'),
     status: this.create('workerStatus'),
     clientVersion: this.create('string'),
-    metadata: { 'integrations': [this.create('string'), this.create('string')] },
+    metadata: { integrations: [{ name: this.create('string'), version: this.create('string') }], 'foo': 'bar' },
     heartbeatIntervalSeconds: this.create('number'),
     ...overrides,
   })