private ServerContainer addContainer(ContainerInstall install, int index) throws IOException {
    ServerContainer container = install.generateContainer(testName + "_" + index);

    containers.add(index, container);

    logger.info("Setup container " + getContainerDescription(index));
    return container;
  }
Get a human readable unique description for the container (calls
{@link ServerContainer#toString()})

@param index the index of the container
@return a human readable unique description for the container
geode-assembly/geode-assembly-test/src/main/java/org/apache/geode/session/tests/ContainerManager.java