@Override
      public Object call() throws Exception {
        Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
        CacheServer server = getCache().addCacheServer();
        int port = AvailablePortHelper.getRandomAvailableTCPPort();
        server.setPort(port);
        server.start();
        return port;
      }
Test query execution when default values of {@link FieldType} are used. This happens when one
version of Pdx object does not have a field but other version has.
geode-core/src/distributedTest/java/org/apache/geode/cache/query/dunit/PdxQueryDUnitTest.java