Rakefile in rbs-0.12.0 vs Rakefile in rbs-0.12.1

@@ -32,14 +32,14 @@
     sh "#{ruby} #{rbs} -r#{File.basename(path)} validate"
   end
 end
 
 FileList["test/stdlib/**/*_test.rb"].each do |test|
-  multitask test => :parser do
+  task test => :parser do
     sh "#{ruby} -Ilib #{bin}/test_runner.rb #{test}"
   end
-  multitask stdlib_test: test
+  task stdlib_test: test
 end
 
 task :rubocop do
   sh "rubocop --parallel"
 end
@@ -172,8 +172,13 @@
 
     path.write TestTemplateBuilder.new(klass).call
 
     puts "Created: #{path}"
   end
+end
+
+task :test_generate_stdlib do
+  sh "RBS_GENERATE_TEST_PATH=/tmp/Array_test.rb rake 'generate:stdlib_test[Array]'"
+  sh "ruby -c /tmp/Array_test.rb"
 end
 
 CLEAN.include("lib/rbs/parser.rb")