@Test
  public void testBlobTtlUpdate503AndThenODRAndOffRepair() throws Exception {
    cleanRepairRequestsDb(repairDb);
    Pair<BlobId, DataNodeId> result = blobTtlUpdate503AndThenFixedByODROrOffline(true, true);
    BlobId blobId = result.getFirst();
    verifyRepairRequestRecordInDb(repairDb, blobId, null);
  }
Test TTLUpdate first hits 503. Enable both ODR and offline repair. But only ODR takes effect. No db record.
@throws Exception
ambry-router/src/test/java/com/github/ambry/router/NonBlockingRouterTest.java