Be less optimistic about frame-tie agreement
Be less optimistic about frame-tie agreement

Since the passing test on my laptop failed on Travis CI.

skyfielders/python-skyfield,GuidoBR/python-skyfield,GuidoBR/python-skyfield,ozialien/python-skyfield,skyfielders/python-skyfield,exoanalytic/python-skyfield,ozialien/python-skyfield,exoanalytic/python-skyfield