There are many good coaching institutes which provide good test series.

You can join any test series according to your preference.

For JEE Main mainly students prefer test series by Resonance and Allen.

AITS will help you to analyse your preparation level. You will get to know where you stand among other competitors

Always try to learn from your mistakes and don't repeat your mistake. 

You can not compare your performance of these test series with JEE Main but try to improve your performace.

All the Best!!