eZ\Publish\Core\REST\Client\Tests\HttpClient\StreamTest::testResponseXPoweredByHeader PHP Method

    public function testResponseXPoweredByHeader()
    {
        $response = $this->client->request('GET', '/');
        $this->assertTrue(isset($response->headers['X-Powered-By']));
        $this->assertTrue(is_string($response->headers['X-Powered-By']));
    }