Enable sahara testing in scenario003

* Sahara upstream moved the Tempest plugin to sahara-tests and
python-sahara-tests-tempest is available now which contains the
tempest plugin for sahara.

* Related changes to puppet-tempest is here: https://review.openstack.org/#/c/369878/

This patch will enable sahara testing in scenario003

Depends-On: Ib556393e6c89fc11234e664d476cb0b6f2cac74f

Change-Id: I3cef28a8a89d4e9820039d93b9d0eece78697399

fixtures/scenario003.pp

@@ -36,15 +36,12 @@ case $::osfamily {
 if ($::operatingsystem == 'Ubuntu') and (versioncmp($::operatingsystemmajrelease, '16') >= 0) {
   $ssl_enabled    = false
   $trove_enabled  = false
-  $sahara_enabled = true
   # linuxbridge driver is not working with latest Ubuntu packaging.
   $neutron_plugin = 'openvswitch'
 } else {
   $ssl_enabled   = true
   # https://bugs.launchpad.net/trove/+bug/1597857
   $trove_enabled  = true
-  # https://bugzilla.redhat.com/show_bug.cgi?id=1318765
-  $sahara_enabled = false
   $neutron_plugin = 'linuxbridge'
 }
 
@@ -77,8 +74,8 @@ include ::openstack_integration::provision
 
 class { '::openstack_integration::tempest':
   trove   => $trove_enabled,
-  sahara  => $sahara_enabled,
   mistral => $mistral_enabled,
+  sahara  => true,
   horizon => true,
   heat    => true,
 }