public function testOmitValidatedParams() {
		$subject = new Form(array(
			'model' => __CLASS__,
			'validators' => array(
				'password' => function($form, $data) { return true; },
				'group' => function($form) { return true; }
			)
		));

		$request = (object) array('data' => array(
			'username' => 'Bob', 'password' => 's3cure', 'group' => 'editors'
		));

		$result = $subject->check($request);
		$this->assertEqual(array('username' => 'Bob'), $result);
	}