def METHOD_NAME(self, mock_os_walk, mock_os_uname):
    """test_get_installed_dkms_modules."""
    mock_os_walk.return_value = [
        ("/var/lib/dkms/hello/0.1",
         ["3.19.0-15-generic", "build", "source"],
         []),
    ]
    o = mock.Mock()
    o.release = "3.19.0-15-generic"
    mock_os_uname.return_value = o
    self.assertEqual([['hello', '0.1']],
                     dkms_info.get_installed_dkms_modules())