tests/test-mq.t

--- a/tests/test-mq.t	Sat Nov 01 17:30:57 2014 -0500
+++ b/tests/test-mq.t	Sat Nov 01 22:58:30 2014 +0000
@@ -1581,3 +1581,19 @@
   tip	[0-9a-f]{40} (re)
 
   $ cd ..
+
+Test interraction with revset (issue4426)
+
+  $ hg init issue4426
+  $ cd issue4426
+
+  $ echo a > a
+  $ hg ci -Am a
+  adding a
+  $ echo a >> a
+  $ hg ci -m a
+  $ echo a >> a
+  $ hg ci -m a
+  $ hg qimport -r 0::
+
+  $ cd ..