@Override
  public Properties getDistributedSystemProperties() {
    Properties properties = super.getDistributedSystemProperties();
    properties.put(SERIALIZABLE_OBJECT_FILTER,
        "org.apache.geode.internal.cache.UnitTestValueHolder");
    return properties;
  }
Class <code>ClientServerGetAllDUnitTest</code> test client/server getAll.

@since GemFire 5.7
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ClientServerGetAllDUnitTest.java