--- a/tests/test-doctest.py	Wed Aug 23 01:24:01 2017 -0400
+++ b/tests/test-doctest.py	Wed Aug 23 10:51:26 2017 -0400
@@ -78,3 +78,5 @@
 testmod('hgext.convert.p4')
 testmod('hgext.convert.subversion')
 testmod('hgext.mq')
+# Helper scripts in tests/ that have doctests:
+testmod('drawdag')