Test label callback.
function testLabelCallback() {
$this
->assertEqual($this->account
->label(), $this->account->name, 'The username should be used as label');
// Setup a random anonymous name to be sure the name is used.
$name = $this
->randomName();
config('user.settings')
->set('anonymous', $name)
->save();
$this
->assertEqual($this->anonymous
->label(), $name, 'The variable anonymous should be used for name of uid 0');
}