[test] Check whether our new merge-event job for sf works

Change-Id: I9c9a02a016d73a056a4d59d8f425a62ed7763429
Related-Bug: PROD-26451
diff --git a/tox.ini b/tox.ini
index 9dccfbc..207e11e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -45,3 +45,4 @@
     .[test,doc]
     doc
 commands = doc8 --ignore-path doc/source/rest.rst,doc/source/comparison-table.rst doc/source
+