Kevinrob\GuzzleCache\ValidationTest::testEtagChangeHeader PHP Method

    public function testEtagChangeHeader()
    {
        $this->client->get('http://test.com/etag-changed');
        sleep(1);
        $response = $this->client->get('http://test.com/etag-changed');
        $this->assertEquals(CacheMiddleware::HEADER_CACHE_MISS, $response->getHeaderLine(CacheMiddleware::HEADER_CACHE_INFO));
    }