Rakefile in mdd-2.0.3 vs Rakefile in mdd-3.0.0

@@ -1,8 +1,16 @@
 require "bundler/gem_tasks"
+
+require 'rake/testtask'
+
+Rake::TestTask.new do |t|
+  t.libs.push "lib"
+  t.test_files = FileList['test/*_test.rb']
+  t.verbose = true
+end
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