### Question:
JobQueueDebugger extends AbstractIdleService { @VisibleForTesting static JobQueueDebugger createDebugger() throws Exception { return createInjector().getInstance(JobQueueDebugger.class); } @Inject  JobQueueDebugger(CConfiguration cConf, ZKClientService zkClientService,
                          TransactionRunner transactionRunner); static void main(String[] args);  }### Answer:
@Test public void testInjector() throws Exception { JobQueueDebugger.createDebugger(); }