message: fixed tests error
diff: @@ -161,6 +161,8 @@ describe('Concurrent TaskWorker', () => {
  const logger = getVoidLogger();
  it('should be able to run multiple tasks at once', async () => {
  + const broker = new StorageTaskBroker(storage, logger);
  +
  const dispatchANewTask = () =>
  broker.dispatch({
  spec: {
  @@ -174,7 +176,6 @@ describe('Concurrent TaskWorker', () => {
  });
  const expectedConcurrentTasks = 3;
  - const broker = new StorageTaskBroker(storage, logger);
  const taskWorker = await TaskWorker.create({
  logger,
  workingDirectory,
  