tests/test-phases-exchange.t

--- a/tests/test-phases-exchange.t	Tue Oct 06 22:36:15 2020 -0700
+++ b/tests/test-phases-exchange.t	Thu Oct 22 13:38:14 2020 -0700
@@ -1327,7 +1327,7 @@
   waiting for lock on repository $TESTTMP/Upsilon held by ''
   abort: repository $TESTTMP/Upsilon: timed out waiting for lock held by ''
   (lock might be very busy)
-  [255]
+  [20]
   $ rm .hg/store/lock
 
   $ cd ..