AssetManagerTest\Service\AssetManagerTest::testSetAssetOnResponseNoMimeType PHP Method

    public function testSetAssetOnResponseNoMimeType()
    {
        $asset = new Asset\FileAsset(__FILE__);
        $resolver = $this->getMock(ResolverInterface::class);
        $resolver->expects($this->once())->method('resolve')->with('asset-path')->will($this->returnValue($asset));
        $assetManager = new AssetManager($resolver);
        $request = $this->getRequest();
        $assetManager->resolvesToAsset($request);
        $assetManager->setAssetOnResponse(new Response());
    }