nobu 25205cf8cd test_io.rb: avoid OOM ... * test/ruby/test_io.rb (TestIO#test_copy_stream_socket7): reduce memory usage so the worker process will not die by OOM. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61961 b2dd03c8-39d4-4d8f-98ff-823fe69b080e		2018-01-19 14:50:55 +00:00
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