lithium\test\Mocker::$_blackList
A list of methods we should not overwrite in our mock class.
Some of these methods are are too custom inside the Mock or Delegate,
while others should simply not be filtered.
Source
protected static $_blackList = [
'__destruct', '_parents',
'__get', '__set', '__isset', '__unset', '__sleep',
'__wakeup', '__toString', '__clone', '__invoke',
'_stop', '_init', 'invokeMethod', '__set_state',
'_instance', '_object', '_initialize',
'_filter', 'applyFilter',
];