def METHOD_NAME(self):
    """
    Test - Return return the latest installed kernel version
    """
    PACKAGE_LIST = [
        "{}-{}".format(kernelpkg._package_prefix(), kernel)
        for kernel in self.KERNEL_LIST
    ]  # pylint: disable=protected-access
    mock = MagicMock(return_value=PACKAGE_LIST)
    with patch.dict(self._kernelpkg.__salt__, {"pkg.list_pkgs": mock}):
        self.assertListEqual(self._kernelpkg.list_installed(), self.KERNEL_LIST)