--- a/tests/test-fold.t	Fri Dec 20 14:08:37 2019 +0700
+++ b/tests/test-fold.t	Mon Nov 04 01:30:50 2019 +0530
@@ -405,8 +405,8 @@
 
   $ hg fold --exact -r 'desc("A")::desc("B")' -m 'second fold' \
   >         --config experimental.evolution.allowdivergence=no
-  abort: folding obsolete revisions may cause divergence
-  (set experimental.evolution.allowdivergence=yes to allow folding them)
+  abort: revision being rewritten or one of its precursor was rewritten as fcfd42a7fa46, performing 'fold' will create content-divergence
+  (For more, see 'hg help evolution.instability')
   [255]
 
 but if we allow divergence, this should work and should create new content-divergent changesets