Add more debug info when Errno::EINVAL

20191212T072406Z.fail.html.gz

test/net/imap/test_imap.rb

@@ -483,6 +483,8 @@ class IMAPTest < Test::Unit::TestCase
     assert_raise(Net::IMAP::Error) do
       Net::IMAP.new(server_addr, :port => port)
     end
+  rescue Errno::EINVAL => e # for debug on OpenCSW
+    raise({e: e, server: server, port: port, server_addr: server_addr}.inspect)
   end
 
   def test_default_port