@Test
  public void ttlUpdateSpecificRecoveryTest() throws Exception {
    bundleReadBuffer = null;
    // close testing
    doTtlUpdateSrcDupTest();
    doTtlUpdateTgtDupTest();
    // crash testing
    throwExceptionInsteadOfClose = true;
    doTtlUpdateSrcDupTest();
    doTtlUpdateTgtDupTest();
  }
Tests some recovery scenarios related to TTL update records in particular
@throws Exception
ambry-store/src/test/java/com/github/ambry/store/BlobStoreCompactorTest.java