System.err.println(executeCommand("cluster:group-list"));
System.err.println(executeCommand("cluster:group-set testgroup " + localNode.getId()));
System.err.println(executeCommand("cluster:group-list"));
GroupManager groupManager = getOsgiService(GroupManager.class);
assertNotNull(groupManager);
Set<Group> groups = groupManager.listAllGroups();
assertEquals("There should be 2 cellar groups", 2, groups.size());
System.err.println(executeCommand("cluster:group-delete testgroup "));
System.err.println(executeCommand("cluster:group-list"));
groups = groupManager.listAllGroups();
assertEquals("There should be a single cellar group", 1, groups.size());
}