    @Test
    public void testGetAllRoles() {

        log.debug("entered 'testGetAllRoles' method");

        // set expected behavior on dao
        Role role = new Role(Constants.ADMIN_ROLE);
        final List<Role> testData = new ArrayList<Role>();
        testData.add(role);
        context.checking(new Expectations() {{
            one(lookupDao).getRoles();
            will(returnValue(testData));
        }});

        List<LabelValue> roles = mgr.getAllRoles();
        assertTrue(roles.size() > 0);
    }