Rakefile in cliutils-2.1.1 vs Rakefile in cliutils-2.1.2

- old
+ new

@@ -15,10 +15,10 @@
 
 require 'rake/testtask'
 desc 'Run unit tests'
 Rake::TestTask.new do |t|
   t.libs << "test"
-  t.test_files = FileList['test/*_test.rb']
+  t.test_files = FileList['test/*_test.rb', 'test/**/*_test.rb']
 end
 
 desc "Release CLIUtils version #{version}"
 task :release => :build do
   unless `git branch` =~ /^\* master$/