Rakefile in exercism-0.0.1 vs Rakefile in exercism-0.0.2

@@ -1,8 +1,16 @@
 require "bundler/gem_tasks"
+require 'rake/testtask'
+
+Rake::TestTask.new do |t|
+  t.pattern = "test/**/*_test.rb"
+end
+
+task default: :test
+