What Im I doing wrong?? I test ON Valentines Day

I take my Test THis monday the 14th.. and I feel Like I dont remember anything that I have been studing.. IM sooo Scared!!! I dont know what TO do... Maybe I should postpone the test... Everytime I quiz myself with 85 question I will get a 60%. What Should I do should I postpone it??? I dont think I could ever remember everything that on those disks.. IM soo Scared and Nervous:crying2: