public function getBeforeAck()
{
$messageOne = ['key1' => 0, 'key2' => true];
$this->queue->send($messageOne);
$this->queue->send(['key' => 'value']);
$this->queue->get($messageOne, PHP_INT_MAX, 0);
//try get message we already have before ack
$result = $this->queue->get($messageOne, PHP_INT_MAX, 0);
$this->assertNull($result);
}