Fix simplecov

--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -5,11 +5,11 @@
 #
 # See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
 
-require 'simplecov'
-require 'simplecov-rcov'
+#require 'simplecov'
+#require 'simplecov-rcov'
 
-SimpleCov.formatter = SimpleCov::Formatter::RcovFormatter
-SimpleCov.start
+#SimpleCov.formatter = SimpleCov::Formatter::RcovFormatter
+#SimpleCov.start
 
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))