tasks/test.rake in nanoc-3.7.4 vs tasks/test.rake in nanoc-3.7.5

@@ -10,28 +10,27 @@
   require 'test/helper'
 
   test_files = Dir["#{dir_glob}*_spec.rb"] + Dir["#{dir_glob}test_*.rb"]
   test_files.each { |f| require f }
 
-  exit MiniTest::Unit.new.run(ENV['ARGS'].split)
+  res = MiniTest::Unit.new.run(ENV['ARGS'].split)
+  exit(res) if res != 0
 end
 
 namespace :test do
-
   # test:all
   desc 'Run all tests'
   task :all do
-    run_tests "test/**/"
+    run_tests 'test/**/'
   end
 
   # test:...
   %w( base cli data_sources extra filters helpers tasks ).each do |dir|
     desc "Run all #{dir} tests"
-    task dir.to_sym do |task|
+    task dir.to_sym do |_task|
       run_tests "test/#{dir}/**/"
     end
   end
-
 end
 
-desc 'Alias for test:all'
-task :test => [ :'test:all' ]
+desc 'Alias for test:all + rubocop'
+task test: [:'test:all', :rubocop]