// registry.removeUserFromGroup(user, "group1", "user1");
// data = registry.listUsersGivenAGroup(user, "group1");
// TestUtils.testCantainment(data, "user2");
registry.deleteGroup(user, "group1");
data = registry.listGroups(user);
TestUtils.printList(data);
registry.deleteGroup(user, "group2");
registry.deleteUser(user, "user1");