I pass test the following command:

    cask exec ert-runner -p yaml

I try `make vagrant-test`. The result is the following output:

    There are errors in the configuration of this machine. Please fix
    the following errors and try again:

    puppet provisioner:
    * The configured module path doesn't exist: /Users/yasuyk/github/flycheck/puppet/lib

Please try `cask exec ert-runner -p yaml`  and Tell me to fix the above error.