@Override
  public final void preTearDown() {
    serverPort.set(0);
    entryEvents.clear();
    gemfireServerVm.invoke(() -> CacheFactory.getAnyInstance().close());
    gemfireServerVm = null;
  }
The ClientServerRegisterInterestsDUnitTest class is a test suite of test cases testing the
interaction between a client and a server in a Register Interests scenario.

@since GemFire 8.0
geode-core/src/distributedTest/java/org/apache/geode/cache/client/ClientServerRegisterInterestsDUnitTest.java