[slicehost] add mock/real model helpers

lib/fog/slicehost/models/flavors.rb

@@ -4,8 +4,16 @@ require 'fog/slicehost/models/flavor'
 module Fog
   module Slicehost
 
-    def flavors
-      Fog::Slicehost::Flavors.new(:connection => self)
+    class Mock
+      def flavors
+        Fog::Slicehost::Flavors.new(:connection => self)
+      end
+    end
+
+    class Real
+      def flavors
+        Fog::Slicehost::Flavors.new(:connection => self)
+      end
     end
 
     class Flavors < Fog::Collection

lib/fog/slicehost/models/images.rb

@@ -4,10 +4,20 @@ require 'fog/slicehost/models/image'
 module Fog
   module Slicehost
 
-    def images(attributes = {})
-      Fog::Slicehost::Images.new({
-        :connection => self
-      }.merge!(attributes))
+    class Mock
+      def images(attributes = {})
+        Fog::Slicehost::Images.new({
+          :connection => self
+        }.merge!(attributes))
+      end
+    end
+
+    class Real
+      def images(attributes = {})
+        Fog::Slicehost::Images.new({
+          :connection => self
+        }.merge!(attributes))
+      end
     end
 
     class Images < Fog::Collection

lib/fog/slicehost/models/servers.rb

@@ -4,8 +4,16 @@ require 'fog/slicehost/models/server'
 module Fog
   module Slicehost
 
-    def servers
-      Fog::Slicehost::Servers.new(:connection => self)
+    class Mock
+      def servers
+        Fog::Slicehost::Servers.new(:connection => self)
+      end
+    end
+
+    class Real
+      def servers
+        Fog::Slicehost::Servers.new(:connection => self)
+      end
     end
 
     class Servers < Fog::Collection