Fix failing tests introduced in commit 6d580880

app/uploaders/avatar_uploader.rb

@@ -11,10 +11,12 @@ class AvatarUploader < CarrierWave::Uploader::Base
   process :cropper
 
   def cropper
+    if model.instance_of? User
       manipulate! do |img|
         img.crop "#{model.avatar_crop_size}x#{model.avatar_crop_size}+#{model.avatar_crop_x}+#{model.avatar_crop_y}"
       end
     end
+  end
 
   def store_dir
     "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"