@After
  public void cleanup() throws IOException {
    long start = System.currentTimeMillis();
    // cleanup appears to hang sometimes. And, it sometimes takes a long time. Printing some info until cleanup is fast
    // and reliable.
    System.out.println("ServerSSLTest::About to invoke cluster.cleanup()");
    if (sslCluster != null) {
      sslCluster.cleanup();
    }
    System.out.println("ServerSSLTest::cluster.cleanup() took " + (System.currentTimeMillis() - start) + " ms.");
  }
Running for both regular and encrypted blobs
@return an array with both {@code false} and {@code true}.
ambry-server/src/integration-test/java/com/github/ambry/server/ServerSSLTest.java