Prevent running extension post files

typon/trans/test_runner.py

@@ -116,6 +116,7 @@ signal.signal(signal.SIGINT, sigint_handler)
 
 def run_tests():
     tests = sorted(Path('tests').glob('*.py'))
+    tests = [t for t in tests if ".post." not in t.name]
     if args.only:
         tests = [p for p in tests if p.stem in args.only]
     if args.verbose: