public function testFlushMessageZeroEmails()
{
$transport = $this->getMock('\\Swift_Transport');
$transport->expects($this->once())->method('isStarted')->will($this->returnValue(false));
$transport->expects($this->once())->method('start');
$repository = $this->getMockBuilder('Oro\\Bundle\\NotificationBundle\\Entity\\Repository\\SpoolItemRepository')->disableOriginalConstructor()->getMock();
$repository->expects($this->once())->method('findBy')->will($this->returnValue(array()));
$this->em->expects($this->once())->method('getRepository')->with(self::SPOOL_ITEM_CLASS)->will($this->returnValue($repository));
$count = $this->spool->flushQueue($transport);
$this->assertEquals(0, $count);
}