private void createCacheClientWithoutReg(String host, Integer port1, Integer port2,
      Integer port3) {
    disconnectFromDS();
    ClientCache cache = new ClientCacheFactory(getDistributedSystemProperties())
        .addPoolServer(host, port1).addPoolServer(host, port2).addPoolServer(host, port3).create();
  }
Test on PR on one server only using filter.
geode-core/src/distributedTest/java/org/apache/geode/cache/query/dunit/QueryUsingFunctionContextDUnitTest.java