function testCallRegisterShutdownOnSchedule()
{
$this->assertArrayNotHasKey('register_shutdown_function', $GLOBALS);
$this->manager->expects($this->never())->method('execute');
$this->scheduler->schedule($this->manager);
$this->assertSame(array($this->manager, 'execute'), $GLOBALS['register_shutdown_function']);
}
public function schedule(Executable $manager)
{
$manager->execute();
}