Help me guys

Ive paid the fee for bahria uni entry test 4 days ago and ive been checking my mail regularly but theres no mail from bahria uni and when i checked the mail today i saw that theres mail from bahria uni saying that i have a test scheduled today at 11am and i missed it mind u i received that mail around 9pm yesterday now u guys tell me what should i do and how is this fair that uni is informaing me one night before the test is scheduled