Goutte\Tests\ClientTest::testCustomUserAgentConstructor PHP Method

    public function testCustomUserAgentConstructor()
    {
        $guzzle = $this->getGuzzle();
        $client = new Client(['HTTP_HOST' => '1.2.3.4', 'HTTP_USER_AGENT' => 'SomeHost']);
        $client->setClient($guzzle);
        $client->request('GET', 'http://www.example.com/');
        $this->assertEquals('SomeHost', end($this->history)['request']->getHeaderLine('User-Agent'));
    }