gistfile1.txt

post login

* action=login
* lgname=Bot
* lgpassword=Password

array (
  'login' => 
  array (
    'result' => 'NeedToken',
    'token' => '#######',
    'cookieprefix' => 'testwikidatawiki',
    'sessionid' => '##########',
  ),
)

* action=login
* lgname=Bot
* lgpassword=Password
* lgtoken=######

(then should be result => 'Success' here and i have my edit token etc)

array (
  'login' => 
  array (
    'result' => 'NotExists',
  ),
)

array (
  'servedby' => 'mw1017',
  'error' => 
  array (
    'code' => 'notoken',
    'info' => 'The token parameter must be set',
    '*' => 'See https://test.wikidata.org/w/api.php for API usage',
  ),
)