Merge pull request #903 from pdvyas/fix-travis-email

[minor] add auto_mail_id to test_site site_config.json

test_sites/test_site/site_config.json

@@ -2,5 +2,6 @@
  "db_name": "test_frappe",
  "db_password": "test_frappe",
  "admin_password": "admin",
+ "auto_email_id": "test@example.com",
  "mute_emails": 1
 }