test/io/console/test_io_console.rb (test_oflush): Avoid race condition
Add a ad-hoc wait. Follows test_ioflush2.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test/io/console/test_io_console.rb (test_oflush): Avoid race condition
Add a ad-hoc wait. Follows test_ioflush2.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e