}

    public String[] getUserGroups() {
        String[] userGroups = DocumentUtil.getValue(attributes, "groups", String[].class);
        if (userGroups == null) {
            userGroups = getDefaultGroupsAsArray();
        }
        return userGroups;
    }

    public OpenIdUser getUser() {
        return new OpenIdUser(getUserId(), getUserGroups(), getDefaultRolesAsArray());
    }

        OpenIdConnectCredential credential = new OpenIdConnectCredential(attributes);
        assertEquals("******@****.***", credential.getUserId());
        assertArrayEquals(new String[] { "group1", "group2" }, credential.getUserGroups());
    }