As I understand, the reason programs want to see that an applicant has taken analysis is not only for the sake of the subject matter, but also learned the rigor and demonstrated some proof writing ability. The gre subject test is only multiple choice questions so they won't really test that part. In addition to that, not many questions are on real analysis on the exam - you could probably skip every real analysis question and ace everything else and still end up with a 95%ile. But I see now that you've taken advanced calculus, which seems to sometimes be the same as undergraduate real analysis. What did your advanced calculus course cover?