bootstraptest/runner.rb: refine output
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46396 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
bootstraptest/runner.rb: refine output
white spaces, and adjust each results at same column.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46396 b2dd03c8-39d4-4d8f-98ff-823fe69b080e