@After
  public void cleanup() throws IOException {
    long start = System.currentTimeMillis();
    System.out.println("ServerPlaintextTokenTest::About to invoke cluster.cleanup()");
    if (plaintextCluster != null) {
      plaintextCluster.cleanup();
    }
    System.out.println(
        "ServerPlaintextTokenTest::cluster.cleanup() took " + (System.currentTimeMillis() - start) + " ms.");
  }
Instantiates {@link ServerPlaintextTokenTest}
@param testEncryption {@code true} if blobs need to be tested w/ encryption. {@code false} otherwise
ambry-server/src/integration-test/java/com/github/ambry/server/ServerPlaintextTokenTest.java