test-kitchen/kitchen-vagrant — pull request #120 by ytsarev (2014-10-17 23:24:02+00:00)
Title: config.ssh.pty support

Main reason for introducing control over this configuration option
is a 'Defaults requiretty' in /etc/sudoers of RHEL/Centos/ScientificLinux.

See
https://github.com/mitchellh/vagrant/issues/1482#issuecomment-30099245