--- a/tests/test-bookmarks-corner-case.t	Wed Jun 19 05:37:33 2019 +0200
+++ b/tests/test-bookmarks-corner-case.t	Wed Jun 19 05:45:44 2019 +0200
@@ -132,8 +132,6 @@
   >             raise error.Abort("race scenario timed out")
   >         time.sleep(0.1)
   >     return orig(self, repo)
-  > 
-  >     repo.__class__ = racedrepo
   > def uisetup(ui):
   >     extensions.wrapfunction(bookmarks.bmstore, '__init__', wrapinit)
   > def e():