test_logger.rb: uset tmpfile
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38887 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_logger.rb: uset tmpfile
should not create working file in the current directory.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38887 b2dd03c8-39d4-4d8f-98ff-823fe69b080e