@Before
  public void setUp() throws Exception {
    server1 = getVM(0);
    server2 = getVM(1);

    regionName = getClass().getSimpleName() + "_" + testName.getMethodName();
    hostName = getHostName();

    int port1 = server1.invoke(this::createCacheServer);
    int port2 = server2.invoke(this::createCacheServer);

    createClientCache(port1, port2);
  }
HARegionQueueThreadIdExpiryRegressionTest
<p>
TRAC #48879: Leaking ThreadIdentifiers and DispatchedAndCurrentEvents objects when client uses
many short lived threads
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/HARegionQueueThreadIdExpiryRegressionTest.java