private static String startServerCommand(String name, int port, int connectedLocatorPort) {
    return String.format("start server --name=%s --server-port=%d --locators=%s[%d]",
        name, port, HOSTNAME, connectedLocatorPort);
  }
This test iterates through the versions of Geode and executes client compatibility with
the current version of Geode.
geode-assembly/src/upgradeTest/java/org/apache/geode/management/RollingUpgradeWithGfshDUnitTest.java