omit random failure in bootstraptest with freebsd

http://rubyci.s3.amazonaws.com/freebsd13/ruby-master/log/20220902T063002Z.fail.html.gz
2022-09-06 16:24:55 +09:00 · 2022-09-06 16:24:55 +09:00 · 29bc3e0daf
parent 8cd6f2a087
commit 29bc3e0daf
1 changed files with 1 additions and 0 deletions
--- a/bootstraptest/test_io.rb
+++ b/bootstraptest/test_io.rb
@ -31,6 +31,7 @@ assert_finish 10, %q{
  end
 }, '[ruby-dev:32566]'

+/freebsd/ =~ RUBY_PLATFORM or
 assert_finish 5, %q{
  r, w = IO.pipe
  Thread.new {