public function testResponse()
{
$request = new Request(['url' => 'http://httpbin.org/user-agent', 'options' => [CURLOPT_USERAGENT => 'Tester']]);
$response = $request->execute()->getResponse();
$content = json_decode($response->content, true);
$this->assertTrue($request->isExecuted());
$this->assertNull($request->getErrorMessage());
$this->assertTrue($request->isSuccessful());
$this->assertEquals('application/json', $response->getHeader('Content-Type'));
$this->assertEquals(200, $response->getStatusCode());
$this->assertEquals('Tester', $content['user-agent']);
}
