.get(stream -> stream.anyMatch(s1 -> stream(acceptedRoles).get(s3 -> s3.anyMatch(s2 -> s2.equals(s1)))));
    }

    public boolean hasGroup(final String group) {
        return stream(user.getGroupNames()).get(stream -> stream.anyMatch(s -> s.equals(group)));
    }

    public boolean hasGroups(final String[] acceptedGroups) {
        return stream(user.getGroupNames())

        assertTrue(fessUserBean.hasGroup("developers"));
        assertTrue(fessUserBean.hasGroup("testers"));
        assertTrue(fessUserBean.hasGroup("managers"));
        assertFalse(fessUserBean.hasGroup("guests"));

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

    @Test
    public void test_hasGroups() {

			}
			for _, ps := range pslc {
				dID := depIdx[ps.DeploymentID]
				_, hasGroup := sris[dID].GroupPolicies[g]
				info.GroupStats[g][ps.DeploymentID] = srGroupStatsSummary{
					SRGroupStatsSummary: madmin.SRGroupStatsSummary{
						PolicyMismatch:   groupPolicyMismatch,
						HasGroup:         hasGroup,
						HasPolicyMapping: ps.Policy != "",
						DeploymentID:     ps.DeploymentID,
					},