[vcloud|compute] rather mock Fog::Vcloud::Connection as this is the right place to mock things

tests/vcloud/models/compute/conn_helper.rb

@@ -1,19 +1,17 @@
 module Fog
   module Vcloud
-    class Compute < Fog::Service
-      class Real
-        def request(params, &block)
-          path = File.expand_path(File.join(File.dirname(__FILE__),'..','..','data',params[:path].gsub(/^\//,'').gsub('/','_+_')))
-          if File.exists?(path)
-            body = File.read(path)
-          else
-            ''
-          end
-          Excon::Response.new(
-            :body   => body,
-            :status => 200,
-            :header => '')
+    class Fog::Connection
+      def request(params, &block)
+        path = File.expand_path(File.join(File.dirname(__FILE__),'..','..','data',params[:path].gsub(/^\//,'').gsub('/','_+_')))
+        if File.exists?(path)
+          body = File.read(path)
+        else
+          ''
         end
+        Excon::Response.new(
+          :body   => body,
+          :status => 200,
+          :header => '')
       end
     end
   end