public function testAddsCorrectResponseHeaderOnCacheMiss()
{
$this->requestHeaders->expects($this->once())->method('get')->with('Accept', '*/*')->will($this->returnValue('*/*'));
$this->responseHeaders->expects($this->once())->method('set')->with('X-Imbo-TransformationCache', 'Miss');
$this->listener->loadFromCache($this->event);
}