Inheritance: extends JiraRestApi\JiraClient
 public function testGetUser()
 {
     try {
         $us = new UserService();
         // get the user info.
         $user = $us->get(['username' => 'lesstif']);
         Dumper::dump($user);
     } catch (JiraException $e) {
         $this->assertTrue(false, 'testGetUser Failed : ' . $e->getMessage());
     }
 }