Rakefile in chatwork-0.0.1 vs Rakefile in chatwork-0.0.2

@@ -1,8 +1,16 @@
 require "bundler/gem_tasks"
+
+begin
+  require 'rspec/core/rake_task'
+  RSpec::Core::RakeTask.new
+  task :default => :spec
+rescue
+  $stderr.puts('Install rspec')
+end