diff -r 4c8dcb491974 -r d554e624c5fe tests/test-bundle2-exchange.t
--- a/tests/test-bundle2-exchange.t	Fri Feb 10 17:56:47 2017 +0100
+++ b/tests/test-bundle2-exchange.t	Fri Feb 10 17:56:59 2017 +0100
@@ -1107,6 +1107,14 @@
   (see https://www.mercurial-scm.org/wiki/IncompatibleClient)
   [255]
 
+(also check with ssh)
+
+  $ hg --config devel.legacy.exchange=bundle1 push ssh://user@dummy/bundle2onlyserver
+  pushing to ssh://user@dummy/bundle2onlyserver
+  searching for changes
+  remote: abort: incompatible Mercurial client; bundle2 required
+  [1]
+
   $ hg push
   pushing to http://localhost:$HGPORT/
   searching for changes