Failed my first glucose test😒 Help😭

Ruby🌺🦂

Going for the 3 hour long one next Tuesday, 1st pregnancy failing it out of 3 and idk whether to be disappointed in myself or just feel sorry for myself since i can only eat what i randomly crave at the moment, i’ve had bad nausea the whole time till now 29weeks😫 what if i fail the 3hr long one? is it really that bad? how am i not supposed to eat fruits, bread, pastas and cereals its basically all i can stomach help😭