Add concat_basedir fact to tests that validate concat fragments

spec/classes/swift_proxy_swauth_spec.rb

@@ -2,6 +2,12 @@ require 'spec_helper'
 
 describe 'swift::proxy::swauth' do
 
+  let :facts do
+    {
+      :concat_basedir => '/var/lib/puppet/concat'
+    }
+  end
+
   let :pre_condition do
     'class { "concat::setup": }
      concat { "/etc/swift/proxy-server.conf": }'