public function testRefreshSessionToken()
{
$user = new User();
$user->setUsername("alice4");
$user->setPassword("blabla");
$user->signUp();
$token = $user->getSessionToken();
$user->refreshSessionToken();
$this->assertNotEmpty($user->getSessionToken());
$this->assertNotEquals($token, $user->getSessionToken());
$user->destroy();
}
