private Properties createConfig() {
    Properties config = new Properties();
    config.setProperty(LOCATORS, "");
    config.setProperty(MCAST_PORT, "0");
    return config;
  }
Integration tests for log rolling with {@link DistributedSystem} lifecycle.

@since GemFire 6.5
geode-core/src/integrationTest/java/org/apache/geode/logging/internal/api/LogRollingWithDistributedSystemIntegrationTest.java