Fix test failures

This commit fixes test failures that were introduced in the merge
of #136.

spec/classes/nova_network_spec.rb

@@ -133,7 +133,7 @@ describe 'nova::network' do
             :flat_network_bridge  => 'br400',
             #:force_dhcp_release   => false,
             :flat_injected        => true,
-            :dhcp_domain          => 'novalocal'
+            :dhcp_domain          => 'not-novalocal',
             :dhcpbridge           => '/tmp/bridge',
             :dhcpbridge_flagfile  => '/tmp/file'
           ) }