public function testAck()
{
$httpResponse = [202, null];
$ackKeys = ['User-1234-1', 'Source-1234-1'];
$http = $this->getMockBuilder('\\BaseCRM\\HttpClient')->disableOriginalConstructor()->getMock();
$http->expects($this->once())->method('post')->with('/sync/ack', ['ack_keys' => $ackKeys], ['headers' => ['X-Basecrm-Device-UUID' => $this->deviceUUID]])->will($this->returnValue($httpResponse));
$sync = new SyncService($http);
$this->assertTrue($sync->ack($this->deviceUUID, $ackKeys));
}
