public static void createCacheClientWithoutRegion(String host, Integer port1, Integer port2,
      Integer port3) {
    new QueryUsingFunctionContextDUnitTest().createCacheClientWithoutReg(host, port1, port2, port3);
  }
Test on PR on one server only using filter.
geode-core/src/distributedTest/java/org/apache/geode/cache/query/dunit/QueryUsingFunctionContextDUnitTest.java