Require logger to avoid error

Author: jkeen

spec/spec_helper.rb

@@ -3,6 +3,7 @@
 Dir[File.dirname(__FILE__) + "/support/**/*.rb"].sort.each { |f| require f }
 require "pry"
 
+require "logger"
 require "active_model"
 require "graphiti_spec_helpers/rspec"
 require "graphiti"