Dir.mktmpdir do |tmpdir|
Rails.configuration.dns_server_conf_dir = tmpdir
refute Node.dns_server_update 'compute65535', '127.0.0.127'
- assert Dir.entries(tmpdir).select{|f| File.file? f}.empty?
+ assert_empty Dir.entries(tmpdir).select{|f| File.file? f}
end
end