private Properties getDistributedSystemProperties() {
    Properties props = DistributedRule.getDistributedSystemProperties();
    props.setProperty(SERIALIZABLE_OBJECT_FILTER,
        "org.apache.geode.internal.cache.functions.**;org.apache.geode.internal.cache.execute.**;org.apache.geode.test.dunit.**");
    return props;
  }
Verify that AuthenticationRequiredException is not thrown when security-* properties are NOT
provided. We have to grep for this exception in logs for any occurrence.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/execute/DistributedRegionFunctionExecutionDUnitTest.java