Still haven’t had my period today

Pantera

My period still didn’t started yet but I’m going to wait until Sunday to take a test and I went to the Doctor and I got test for pregnancy test but they check my pee and they said it was negative but my doctor said I might be pregnant the symptoms I was telling her I had like peeing every three minutes and boobs sore and cramping really bad and bad headache so when should I test if my period still not on Sunday