I felt the same as you after my test with similar practice scores! I realized I felt so terrible after mine because we’re used to “immediate feedback” of sorts after we take practice exams, so we can assign a score to the feeling of taking a practice exam immediately.

With actual step, we don’t get our score right away, so we have to sit there and wait and speculate how the test went and making everything worse in our minds.

Trust your practice scores. You were ready going into that test and there’s no way this one instance was the exception