kazu 6064132c42 Remove unnecessary `require 'thread'` ... git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60139 b2dd03c8-39d4-4d8f-98ff-823fe69b080e		2017-10-08 07:00:01 +00:00
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test_monitor.rb	Remove unnecessary `require 'thread'`	2017-10-08 07:00:01 +00:00