remove scope as a separate concept and pass it in

as an option.

test/test_helper.rb

@@ -1,5 +1,14 @@
 require "rubygems"
 require "bundler/setup"
+
+unless ENV["TRAVIS"]
+  require 'simplecov'
+  SimpleCov.start do
+    add_group "lib", "lib"
+    add_group "spec", "spec"
+  end
+end
+
 require "pry"
 
 require "active_model_serializers"