The Ovia app says today I should test but I’m afraid it’s going to be negative but then again at the…

The Ovia app says today I should test but I’m afraid it’s going to be negative but then again at the same time it’ll put my mind as ease for the weekend, we’re going to Disneyland. Period was due today don’t know if I should wait until Thursday to test or if I should do one now. Your opinions please 😁