Tests that `Form::set()` passes data through unmodified, even with invalid options.

Source

						public function testSetPassthru() {
		$subject = new Form(array('model' => __CLASS__));
		$user = array('id' => 5, 'name' => 'bob');

		$result = $subject->set($user);
		$this->assertIdentical($user, $result);
	}