Test Kitchen error on kitchen-hyperv

gistfile1.ps1

C:\dev\kitchen-hyperv-test [master +3 ~1 -1 !]> bundle install
Updating c:/dev/kitchen-hyperv
Fetching gem metadata from https://rubygems.org/..........
Resolving dependencies...
Using builder 3.2.2
Using ffi 1.9.8
Using gssapi 1.2.0
Using gyoku 1.3.1
Using httpclient 2.6.0.1
Using win32-process 0.7.5
Using win32-api 1.5.3
Using windows-api 0.4.4
Using windows-pr 1.2.4
Using mixlib-shellout 2.0.1
Using net-ssh 2.9.2
Using net-scp 1.2.1
Using safe_yaml 1.0.4
Using thor 0.19.1
Using test-kitchen 1.4.0.rc.1
Using kitchen-hyperv 0.0.1 from c:/dev/kitchen-hyperv (at master)
Using kitchen-pester 0.1.2
Using kitchen-vagrant 0.17.0.rc.1
Using little-plugger 1.1.3
Using multi_json 1.11.0
Using logging 1.8.2
Using nori 2.5.0
Using rubyntlm 0.4.0
Using rubyzip 1.1.7
Using uuidtools 2.1.5
Using vagrant-wrapper 2.0.2
Using winrm 1.3.2
Using winrm-transport 1.0.0
Using bundler 1.7.12
Your bundle is complete!
Use `bundle show [gemname]` to see where a bundled gem is installed.
C:\dev\kitchen-hyperv-test [master +4 ~1 -1 !]> bundle exec kitchen test
-----> Starting Kitchen (v1.4.0.rc.1)
>>>>>> ------Exception-------
>>>>>> Class: Kitchen::ClientError
>>>>>> Message: Could not load the 'hyperv' driver from the load path. Please ensure that your driver is installed as a gem or included in your Gemfile if using Bundler.
>>>>>> ----------------------
>>>>>> Please see .kitchen/logs/kitchen.log for more details
>>>>>> Also try running `kitchen diagnose --all` for configuration

C:\dev\kitchen-hyperv-test [master +4 ~2 -0 !]>