wantTo('get an access token with resource owner credentials'); $I->sendPOST('other_grants.php/access_token', [ 'client_id' => 'testclient', 'client_secret' => 'secret', 'grant_type' => 'password', 'username' => 'alexbilbie' ]); $I->seeResponseCodeIs(400); $I->seeResponseIsJson();