--- a/tests/test-graft.t	Sun Feb 14 16:16:17 2016 +0000
+++ b/tests/test-graft.t	Thu Feb 04 03:45:44 2016 +0000
@@ -46,6 +46,13 @@
   |
   o  test@0.public: 0
   
+Can't continue without starting:
+
+  $ hg rm -q e
+  $ hg graft --continue
+  abort: no graft in progress
+  [255]
+  $ hg revert -r . -q e
 
 Need to specify a rev: