--- a/tests/test-unamend.t	Wed Apr 28 08:48:10 2021 -0700
+++ b/tests/test-unamend.t	Tue Feb 23 10:28:42 2021 -0800
@@ -6,6 +6,7 @@
   > glog = log -G -T '{rev}:{node|short}  {desc}'
   > [experimental]
   > evolution = createmarkers, allowunstable
+  > evolution.allowdivergence = true
   > [extensions]
   > rebase =
   > amend =