--- a/hgext/hgk.py	Sat May 05 15:12:26 2012 -0500
+++ b/hgext/hgk.py	Tue May 15 14:37:49 2012 -0500
@@ -39,6 +39,8 @@
 from mercurial.node import nullid, nullrev, short
 from mercurial.i18n import _
 
+testedwith = 'internal'
+
 def difftree(ui, repo, node1=None, node2=None, *files, **opts):
     """diff trees from two commits"""
     def __difftree(repo, node1, node2, files=[]):