Added filter for test folder on simplecov

Rakefile

@@ -2,7 +2,7 @@ require 'bundler/gem_tasks'
 require 'rake/testtask'
 
 Rake::TestTask.new do |t|
-  t.libs.push %w(lib test)
+  t.libs.push %w(test)
   t.test_files = FileList['test/**/*_test.rb']
   t.verbose = true
 end

test/minitest_helper.rb

@@ -1,5 +1,6 @@
 require 'minitest/spec'
 require 'minitest/autorun'
+require 'simplecov'
 require 'turn'
 require 'coveralls'
 
@@ -18,6 +19,10 @@
   c.natural = true
 end
 
+SimpleCov.start do
+  add_filter '/test/'
+end
+
 Dir[File.join(File.dirname(__FILE__), '../lib/**/*.rb')].sort.each { |f| require f }
 
 Coveralls.wear!