@AfterClass
  public static void cleanup() throws Exception {
    server.stop();
    FileUtil.fullyDelete(new File(HTU.getDataTestDir().toString()));
    KeyStoreTestUtil.cleanupSSLConfig(serverConf);
    clientSslFactory.destroy();
  }
This testcase issues SSL certificates configures the HttpServer to serve HTTPS using the created
certficates and calls an echo servlet using the corresponding HTTPS URL.
hbase-http/src/test/java/org/apache/hadoop/hbase/http/TestSSLHttpServer.java