--- a/tests/test-extdiff.t Thu Sep 23 17:05:37 2021 -0400
+++ b/tests/test-extdiff.t Thu Sep 23 09:38:45 2021 -0700
@@ -87,7 +87,7 @@
$ hg extdiff -p diff --patch --rev 'ancestor()' --rev 1
abort: empty revision on one side of range
- [255]
+ [10]
Test diff during merge: