public function testClearEvent()
{
$testObject = $this->getMock('stdClass', array('testCallback1'));
$testObject->expects($this->never())->method('testCallback1');
EventManager::register('test.event1', array($testObject, 'testCallback1'));
EventManager::clear('test.event1');
$event = new Event('test.event1');
$event->trigger();
}