Fix tripleo::profile::base::monitoring::sensu rspec test

Add ipaddress fact when testing tripleo::profile::base::monitoring::sensu.
The latest facterdb no longer defines ::ipaddress, which is the default
value for ::sensu module's client_address.

Change-Id: I714b8bf69ef26ee7bb5195a3001f86d45e6e1fb6
(cherry picked from commit 04b14abc04)

spec/classes/tripleo_profile_base_monitoring_sensu_spec.rb

@@ -29,7 +29,7 @@ describe 'tripleo::profile::base::monitoring::sensu' do
   on_supported_os.each do |os, facts|
     context "on #{os}" do
       let (:facts) {
-        facts
+        facts.merge({ :ipaddress => '127.0.0.1' })
       }
       it_behaves_like 'tripleo::profile::base::monitoring::sensu'
     end