--- a/tests/test-bundle2-pushback.t	Thu Feb 08 11:39:23 2018 -0800
+++ b/tests/test-bundle2-pushback.t	Mon Feb 12 16:35:06 2018 -0800
@@ -1,3 +1,13 @@
+#testcases sshv1 sshv2
+
+#if sshv2
+  $ cat >> $HGRCPATH << EOF
+  > [experimental]
+  > sshpeer.advertise-v2 = true
+  > sshserver.support-v2 = true
+  > EOF
+#endif
+
   $ cat > bundle2.py << EOF
   > """A small extension to test bundle2 pushback parts.
   > Current bundle2 implementation doesn't provide a way to generate those