public function testExceptionNoResponseType()
{
$parameters = ['client_id' => '1234'];
$server = ['PHP_AUTH_USER' => 'demousername1', 'PHP_AUTH_PW' => 'demopassword1'];
$client = $this->createClient();
$crawler = $client->request('GET', '/api/oauth2/authorize', $parameters, [], $server);
$this->assertSame(400, $client->getResponse()->getStatusCode());
$this->assertNotNull(json_decode($client->getResponse()->getContent()));
$tokenResponse = json_decode($client->getResponse()->getContent(), true);
$this->assertSame('invalid_request', $tokenResponse['error']);
}