public function testInvalidMongoIdValue()
{
$array = ['id' => 123];
$this->validation->add('id', $this->testable);
$messages = $this->validation->validate($array);
$this->assertEquals(1, count($messages));
$this->assertEquals('MongoId is not valid', $messages[0]->getMessage());
$this->assertEquals('MongoId', $messages[0]->getType());
}