Output from failure case in Travis:

Chef::Resource::Mount
  when the target state is a mounted filesystem
    should mount the filesystem if it isn't mounted (FAILED - 1)
  when the filesystem should be remounted and the resource supports remounting
    should remount the filesystem if it is mounted (FAILED - 2)
  when the target state is a unmounted filesystem
    should umount the filesystem if it is mounted (FAILED - 3)
  when enabling the filesystem to be mounted
    should enable the mount if it isn't enable (FAILED - 4)
  when the target state is to disable the mount
    should disable the mount if it is enabled (FAILED - 5)
An error occurred in an after(:all) hook.
  TypeError: can't convert nil into String
  occurred at /home/travis/build/opscode/chef/spec/functional/resource/mount_spec.rb:144:in `rmdir'