Hello from JustAnswer.
You would not be at risk of getting hepatitis if the waiter spit on your food.
There is no reason for you to be concerned about this risk.
There is a very small risk of getting hepatitis A whenever someone else prepares your food, but it has more to do with personal hygiene, such as the food preparer not washing their hands after using the restroom, rather than the waiter spitting on your food.
If you are so anxious that you want to eliminate that risk from your life, you can simply stop eating at places in which someone else prepares your food.
Hepatitis A has an incubation period of 2-4 wees. Hepatitis B has an incubation period of 1-6 months.
From a medical perspective, there is no indication for any testing.
There is no risk beyond the risk that I noted above whenever someone else prepares your food.
I am sorry, but I had to step away from the computer.
I am not certain what you are asking that is different than when you asked "If this incident did occur is there anything else that could be harmful to me or the fetus?"