Error posting a test tweet.
HTTP Code: 400
API Response:
object(stdClass)#9 (4) {
  ["errors"]=>
  array(1) {
    [0]=>
    object(stdClass)#2 (1) {
      ["message"]=>
      string(50) "Please include either text or media in your Tweet."
    }
  }
  ["title"]=>
  string(15) "Invalid Request"
  ["detail"]=>
  string(51) "One or more parameters to your request was invalid."
  ["type"]=>
  string(50) "https://api.twitter.com/2/problems/invalid-request"
}