test_thread.rb: wait for the thread to sleep
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_thread.rb: wait for the thread to sleep
of the subject thread to fix, so that the status does not change
between two inspect methods.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e