tests/test-exchange-obsmarkers-case-A4.t

--- a/tests/test-exchange-obsmarkers-case-A4.t	Tue Dec 26 23:40:49 2017 -0500
+++ b/tests/test-exchange-obsmarkers-case-A4.t	Fri Dec 22 23:17:04 2017 +0800
@@ -68,7 +68,7 @@
   $ hg log -G --hidden
   @  e5ea8f9c7314 (draft): A1
   |
-  | o  06055a7959d4 (draft): B
+  | *  06055a7959d4 (draft): B
   | |
   | x  28b51eb45704 (draft): A0
   |/