Rakefile in rbs-1.0.0 vs Rakefile in rbs-1.0.1

@@ -26,12 +26,10 @@
 
 task :validate => :parser do
   sh "#{ruby} #{rbs} validate --silent"
 
   FileList["stdlib/*"].each do |path|
-    next if path =~ %r{stdlib/builtin}
-
     lib = [File.basename(path).to_s]
 
     if lib == ["bigdecimal-math"]
       lib << "bigdecimal"
     end
@@ -82,10 +80,11 @@
   sh "racc -v -o lib/rbs/parser.rb lib/rbs/parser.y"
   sh "git diff --exit-code lib/rbs/parser.rb"
 end
 
 namespace :generate do
+  desc "Generate a test file for a stdlib class signatures"
   task :stdlib_test, [:class] do |_task, args|
     klass = args.fetch(:class) do
       raise "Class name is necessary. e.g. rake 'generate:stdlib_test[String]'"
     end
 
@@ -113,11 +112,11 @@
       def call
         ERB.new(<<~ERB, trim_mode: "-").result(binding)
           require_relative "test_helper"
 
           <%- unless class_methods.empty? -%>
-          class <%= klass %>SingletonTest < Minitest::Test
+          class <%= klass %>SingletonTest < Test::Unit::TestCase
             include TypeAssertions
 
             # library "pathname", "set", "securerandom"     # Declare library signatures to load
             testing "singleton(::<%= klass %>)"
 
@@ -131,10 +130,10 @@
           <%- end -%>
           end
           <%- end -%>
 
           <%- unless instance_methods.empty? -%>
-          class <%= klass %>Test < Minitest::Test
+          class <%= klass %>Test < Test::Unit::TestCase
             include TypeAssertions
 
             # library "pathname", "set", "securerandom"     # Declare library signatures to load
             testing "::<%= klass %>"