public function testReturnNullIfDataNotFound()
 {
     $memcacheObject = $this->getMock('StdClass', ['get', 'getResultCode']);
     $memcacheObject->expects($this->once())->method('get')->with($this->equalTo('bar'))->will($this->returnValue(null));
     $memcacheObject->expects($this->once())->method('getResultCode')->will($this->returnValue(1));
     $memcached = new Cygnite\Cache\Storage\Memcached($memcacheObject);
     $this->assertNull($memcached->get('bar'));
 }