@Test
  public void testBlobDelete503NoOfflineRepairSinceNoSuccessReplica() throws Exception {
    cleanRepairRequestsDb(repairDb);
    testBlobDelete503NoSuccessReplica(false, true);
    assertEquals(0, getRepairRequestsCount(repairDb));
  }
Test Deletion hits 503. But since there is no single replica is successful, won't do offline retry
@throws Exception
ambry-router/src/test/java/com/github/ambry/router/NonBlockingRouterTest.java