1. Navigate to 'Sessions' > 'Tools' > 'S2S Connection Test'

2. In the 'XMPP domain' field enter one of the following:

   1. ' ' (one space)

   2. 'jabber.at/'

   3. 'http://jabber.at'

3. Click 'Test'

Outcome: Large exception error message displayed

Expected: Validation message displayed on 'S2S Connection Test' page asking user to input in the correct format (and potentially guide the user on what the correct format is)