tasks/test.rake in nanoc-3.7.5 vs tasks/test.rake in nanoc-3.8.0

@@ -10,10 +10,10 @@
   require 'test/helper'
 
   test_files = Dir["#{dir_glob}*_spec.rb"] + Dir["#{dir_glob}test_*.rb"]
   test_files.each { |f| require f }
 
-  res = MiniTest::Unit.new.run(ENV['ARGS'].split)
+  res = Minitest.run(ENV['ARGS'].split)
   exit(res) if res != 0
 end
 
 namespace :test do
   # test:all