SimpleRoleGroup secondRoleGroup = new SimpleRoleGroup("secondrg");
secondRoleGroup.getRoles().add(new SimpleRole("A"));
secondRoleGroup.getRoles().add(new SimpleRole("B"));
assertTrue(firstRoleGroup.containsAll(firstRoleGroup));
assertTrue(secondRoleGroup.containsAll(secondRoleGroup));
assertTrue(firstRoleGroup.containsAll(secondRoleGroup));
assertFalse(secondRoleGroup.containsAll(firstRoleGroup));
assertTrue(firstRoleGroup.containsAtleastOneRole(secondRoleGroup));
assertTrue(secondRoleGroup.containsAtleastOneRole(firstRoleGroup));