im confused, when should i test?

Caitlyn

I ovulated on the 13th. I'm currently 4 dpo. I'm getting ready to order my frer but when should I test? it says 6 days before my period but that puts me at lie 7 dpo and that's early. otherwise I wait for my period. but it says 6 days Sooner???? help!!! this 2ww is killing me