guard :minitest do
# with Minitest::Unit
watch(%r{^test/(.*)\/?(.*)_test\.rb$})
watch(%r{^lib/(.*/)?([^/]+)\.rb$}) { |m| "test/#{m[1]}#{m[2]}_test.rb" }
watch(%r{^test/test_helper\.rb$}) { 'test' }
end
