public function testNeedsEsiParsing() {
$esi = new Esi();
$response = new Response();
$response->headers
->set('Surrogate-Control', 'content="ESI/1.0"');
$this
->assertTrue($esi
->needsEsiParsing($response));
$response = new Response();
$this
->assertFalse($esi
->needsEsiParsing($response));
}