@Override
      public void run2() throws CacheException {
        assertEquals(0, PortfolioPdx.numInstance);
        assertEquals(0, PositionPdx.numInstance);
      }
Tests client-server query with nested and collection of Pdx.
geode-core/src/distributedTest/java/org/apache/geode/cache/query/dunit/PdxQueryDUnitTest.java