--- a/tests/test-convert-bzr-treeroot.t	Sat Aug 08 00:12:41 2015 -0700
+++ b/tests/test-convert-bzr-treeroot.t	Sat Aug 22 10:22:12 2015 -0700
@@ -1,3 +1,4 @@
+#require bzr
 
   $ . "$TESTDIR/bzr-definitions"
   $ cat > treeset.py <<EOF