@AfterClass
  public static void cleanup() throws IOException {
    testFramework.cleanup();
    long start = System.currentTimeMillis();
    System.out.println("RouterServerSSLTest::About to invoke cluster.cleanup()");
    if (http2Cluster != null) {
      http2Cluster.cleanup();
    }
    System.out.println("RouterServerSSLTest::cluster.cleanup() took " + (System.currentTimeMillis() - start) + " ms.");
  }
Instantiates {@link RouterServerHttp2Test}
@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/RouterServerHttp2Test.java