--- a/tests/test-requires.t	Sat Oct 13 05:12:20 2018 +0300
+++ b/tests/test-requires.t	Sat Oct 13 05:14:23 2018 +0300
@@ -38,7 +38,7 @@
   >     for name, module in extensions.extensions(ui):
   >         if __name__ == module.__name__:
   >             # support specific feature locally
-  >             supported |= {'featuresetup-test'}
+  >             supported |= {b'featuresetup-test'}
   >             return
   > def uisetup(ui):
   >     localrepo.featuresetupfuncs.add(featuresetup)