setNextResponses example

'status' => 200,
                'body' => 'Hello World!',
                'headers' => ['Cache-Control' => 's-maxage=200'],
            ],
            [
                'status' => 200,
                'body' => 'My name is Bobby.',
                'headers' => ['Cache-Control' => 's-maxage=100'],
            ],
        ];

        $this->setNextResponses($responses);

        $this->request('GET', '/', [], [], true);
        $this->assertEquals('Hello World! My name is Bobby.', $this->response->getContent());

        $this->assertEquals(100, $this->response->getTtl());
    }

    public function testEsiCacheSendsTheLowestTtlForHeadRequests()
    {
        $responses = [
            [