diff --git a/tests/test-committer.out b/tests/test-committer.out
--- a/tests/test-committer.out
+++ b/tests/test-committer.out
@@ -4,7 +4,11 @@ user:        My Name <myname@example.com
 date:        Mon Jan 12 13:46:40 1970 +0000
 summary:     commit-1
 
-abort: No default username available, use -u
+Please choose a commit username to be recorded in the changelog via
+command line option (-u "First Last <email@example.com>"), in the
+configuration files (hgrc), or by setting the EMAIL environment variable.
+
+abort: No commit username specified!
 transaction abort!
 rollback completed
 changeset:   1:2becd0bae6e6