test/ruby/test_io.rb (test_copy_stream_to_duplex_io): join thread
Don't leave runaway threads as it could affect other tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test/ruby/test_io.rb (test_copy_stream_to_duplex_io): join thread
Don't leave runaway threads as it could affect other tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e