Fix test failure caused by change to puppet-octavia

Fixes a test failure caused by Ic38d4f9f9a8e69ffcee6ccc4bba9a9ab0f161d0e
which pulls in a class with a required parameter.

Change-Id: I0740290bff0ea7c4af6e3420775ac3e72871d372

spec/classes/tripleo_profile_base_octavia_api_spec.rb

@@ -40,6 +40,9 @@ describe 'tripleo::profile::base::octavia::api' do
       class { 'octavia::db::mysql':
         password => 'some_password'
       }
+      class { 'octavia::keystone::authtoken':
+        password => 'some_password'
+      }
 eos
     end