scenario003: re-enable trove

Trove Tempest plugin was fixed upstream.
Also specify db_flavor_ref that is required when the flavor is different
from default value (1).

Closes-Bug: #1612398
Depends-On: Id2d6b9ae571515d90f6232a13a9beecd357703cd
Change-Id: I2153bda14b870a2746d9b20808d8e8ac01b04ee1

fixtures/scenario003.pp

@@ -39,7 +39,7 @@ if ($::operatingsystem == 'Ubuntu') and (versioncmp($::operatingsystemmajrelease
 } else {
   $ssl_enabled     = true
   # https://bugs.launchpad.net/trove/+bug/1597857
-  $trove_enabled   = false
+  $trove_enabled   = true
 }
 
 include ::openstack_integration

manifests/tempest.pp

@@ -136,6 +136,7 @@ class openstack_integration::tempest (
     dashboard_url           => $::openstack_integration::config::base_url,
     flavor_ref              => '42',
     flavor_ref_alt          => '84',
+    db_flavor_ref           => '42',
     image_ssh_user          => 'cirros',
     image_alt_ssh_user      => 'cirros',
     img_file                => 'cirros-0.3.4-x86_64-disk.img',