test: get coverage work

src/util/DecryptionQueue.ts

@@ -0,0 +1,13 @@
+import { DECRYPTION_WORKER_ACTION_NAME } from '~/decrypt-worker/constants';
+import { ConcurrentQueue } from './ConcurrentQueue';
+import { WorkerClientBus } from './WorkerEventBus';
+
+export class DecryptionQueue extends ConcurrentQueue<{ id: string; blobURI: string }> {
+  constructor(private workerClientBus: WorkerClientBus<DECRYPTION_WORKER_ACTION_NAME>, maxQueue?: number) {
+    super(maxQueue);
+  }
+
+  async handler(item: { id: string; blobURI: string }): Promise<void> {
+    return this.workerClientBus.request(DECRYPTION_WORKER_ACTION_NAME.DECRYPT, item.blobURI);
+  }
+}