what does "tested out the trigger" mean?

Manda 🦈 • Staying home is the new going out. And stop inviting people over... stay home with the people you actually live with. 😷
Hi, can someone please explain? I'm sure this is probably something obvious, but I've never heard this before. How do you know the trigger is out of your system? I'm in my first two week wait and I've turned into a crazy obsessive person.