MY HUSBAND WANT TO DO A HOME DNA TESTING AND I WANT TO DO THE REAL THING FROM THE LAB?

MY HUSBAND AND I ARE STILL SEEING EACH OTHER BUT WE ARE SEPARATED. WE JUST HAVE A BABY AND HE'S STILL LIVING WITH HIS FRIEND. HE WANT A DNA TEST ON THE BABY BUT DON'T WANT HIS TO KNOW ABOUT,SO HE WANT TO DO A HOME TEST AND I WANT TO DO THE RIGTH THING BY GOING TO THE COURT HOUSE TO DO THE TEST AND CHILD SUPPORT BUT HE DON'T WANT THAT EITHER. WHICH ONE SHOULD I TAKE. TO ME HE IS TRYING TO HIDE FROM ALL THIS.