public function testCachesResponsesWithALastModifiedValidatorButNoFreshnessInformation() {
$time = \DateTime::createFromFormat('U', time());
$this
->setNextResponse(200, array(
'Cache-Control' => 'public',
'Last-Modified' => $time
->format(DATE_RFC2822),
));
$this
->request('GET', '/');
$this
->assertEquals(200, $this->response
->getStatusCode());
$this
->assertEquals('Hello World', $this->response
->getContent());
$this
->assertTraceContains('miss');
$this
->assertTraceContains('store');
}