private function initManager(array $schedules)
{
$this->manager->expects($this->any())->method('findSchedules')->will($this->returnCallback(function ($limit = null, $offset = null) use($schedules) {
return array_slice($schedules, $offset, $limit);
}));
}
/**
* Fill the inner buffer
*/
protected function buffer()
{
$this->buffer = $this->scheduleManager->findSchedules($this->limit, $this->offset);
$this->offset += count($this->buffer);
}