Return the properly updated image

Author: bkabrda

lib/fog/openstack/requests/image/update_image.rb

@@ -36,7 +36,7 @@ def update_image(attributes)
           response = Excon::Response.new
           response.status = 200
           response.body = {"image"=>
-                               {"name"=>"new image",
+                               {"name"=>"edit test image",
                                 "size"=>0,
                                 "min_disk"=>0,
                                 "disk_format"=>nil,