// get_groups(client, page_size = 5, limit = 10)
// used in test-groups.R
{
    "results": [
        {
            "guid": "54ed1e9d",
            "name": "~!@#$%^&*()_+",
            "owner_guid": "6ca57cef"
        },
        {
            "guid": "bdba3381",
            "name": "1111",
            "owner_guid": "434f97ab"
        },
        {
            "guid": "bd3f6262",
            "name": "2_viewer_group",
            "owner_guid": "0fc96747"
        },
        {
            "guid": "88777348",
            "name": "amanda_test_group",
            "owner_guid": "f7e346b4"
        },
        {
            "guid": "3d6971cd",
            "name": "a_new_group",
            "owner_guid": "3be5e66d"
        }
    ],
    "current_page": 1,
    "total": 67
}
