Add test for single app loaded version response

There was no test that showed what the version response is when
only a single application (public or admin) is loaded.

The test shows that the response is incorrect for the admin
application.

Change-Id: I1fb1789c465d3f587077e3817a8eb2da54e28c63
Partial-Bug: #1343579
Merge "Add test for single app loaded version response"