It is provided by the Puppet class 'openstacklib::wsgi::apache'.
This change exposes it for the Octavia service.
Also add Apache WSGI spec tests for default and custom parameters.
Change-Id: I1aee36aa0dee557dda1b65695233728f1a8d3ff1
Signed-off-by: Luke Short <ekultails@gmail.com>
(cherry picked from commit 444cb9b583)
(cherry picked from commit ab50ae9db5)