def METHOD_NAME(self, m_run_command, m_exit_json):
    ca_test_common.set_module_args({
        'osd_id': fake_id,
        'osd_fsid': fake_uuid,
    })
    m_exit_json.side_effect = ca_test_common.exit_json
    stdout = ''
    stderr = ''
    rc = 0
    m_run_command.return_value = rc, stdout, stderr
    with pytest.raises(ca_test_common.AnsibleExitJson) as result:
        ceph_volume_simple_activate.main()
    result = result.value.args[0]
    assert result['changed']
    assert result['cmd'] == [fake_container_binary,
                             'run', '--rm', '--privileged',
                             '--ipc=host', '--net=host',
                             '-v', '/etc/ceph:/etc/ceph:z',
                             '-v', '/var/lib/ceph/:/var/lib/ceph/:z',
                             '-v', '/var/log/ceph/:/var/log/ceph/:z',
                             '-v', '/run/lvm/:/run/lvm/',
                             '-v', '/run/lock/lvm/:/run/lock/lvm/',
                             '--entrypoint=ceph-volume', fake_container_image,
                             '--cluster', fake_cluster, 'simple', 'activate', fake_id, fake_uuid]
    assert result['rc'] == rc
    assert result['stderr'] == stderr
    assert result['stdout'] == stdout