protected Properties defineProperties() {
    Properties props = new Properties();
    props.setProperty(MCAST_PORT, "0");
    props.setProperty(LOCATORS, "");
    props.setProperty(CONSERVE_SOCKETS, "true");
    return props;
  }
Defines the <code>Properties</code> used to connect to the distributed system.
geode-core/src/test/java/org/apache/geode/admin/internal/DistributedSystemTestCase.java