How do I set up my models to work with seeding and testing

[comatory]

Is there a way to turn off validations when I require it? For exampling when I'm seeding I want to create some sample data that does not conform to the validations set up by the gem. The same goes for testing.

I tried to figure out ValidatesTimeliness.ignore_restriction_errors but even when I set it to true or false it does not seem to make difference (in rails console).