public function testMessagesPopAll()
{
Proxy\Messages::addError('error');
Proxy\Messages::addNotice('notice');
Proxy\Messages::addSuccess('success');
$messages = Proxy\Messages::popAll();
$this->assertArrayHasKeyAndSize($messages, 'error', 1);
$this->assertArrayHasKeyAndSize($messages, 'notice', 1);
$this->assertArrayHasKeyAndSize($messages, 'success', 1);
}