Fix unit test failure caused by puppetlabs-apache 8.0.0

puppetlabs-apache 8.0.0 requires absolute paths for
the apache::vhost::ssl_* parameters.

Change-Id: Ib18937b6debb65fcfc80d1940b36d6d7200e5105

spec/classes/keystone_wsgi_apache_spec.rb

@@ -55,12 +55,12 @@ describe 'keystone::wsgi::apache' do
           :path                        => '/keystone',
           :ssl                         => true,
           :workers                     => 10,
-          :ssl_cert                    => 'ssl cert',
-          :ssl_key                     => 'ssl key',
-          :ssl_chain                   => 'ssl chain',
-          :ssl_ca                      => 'ssl ca',
-          :ssl_crl_path                => '/etc/ssl',
-          :ssl_crl                     => 'crl',
+          :ssl_cert                    => '/etc/ssl/certs/keystone.crt',
+          :ssl_key                     => '/etc/ssl/private/keystone.key',
+          :ssl_chain                   => '/etc/ssl/certs/chain.pem',
+          :ssl_ca                      => '/etc/ssl/certs/ca.pem',
+          :ssl_crl_path                => '/etc/ssl/crl',
+          :ssl_crl                     => '/etc/ssl/certs/crl.crt',
           :ssl_certs_dir               => '/etc/ssl/certs',
           :threads                     => 10,
           :priority                    => 20,