Add unit tests to test Apache wsgi logic changes.
Add unit tests to test Apache wsgi logic changes.

This commit will add unit tests to test the logic around
code changes which include the Apache wsgi module if a
number of options are set.

yakatz/puppetlabs-apache,yakatz/puppetlabs-apache,traylenator/puppetlabs-apache,traylenator/puppetlabs-apache,puppetlabs/puppetlabs-apache,puppetlabs/puppetlabs-apache