Update poro.rb

Author: thiagofm

test/fixtures/poro.rb

@@ -64,7 +64,7 @@ class ProfilePreviewSerializer < ActiveModel::Serializer
 Bio      = Class.new(Model)
 Blog     = Class.new(Model)
 Role     = Class.new(Model)
-User = Class.new(Model)
+User     = Class.new(Model)
 Location = Class.new(Model)
 Place    = Class.new(Model)