assertFalse(fessUserBean.hasRole("guest"));

        // Test with null check
        assertFalse(fessUserBean.hasRole(null));
    }

    public void test_hasRoles() {
        // Test with no roles
        testUser.setRoleNames(new String[] {});
        assertFalse(fessUserBean.hasRoles(new String[] { "admin", "user" }));