npm install karma-chrome-launcher -save

plugins: [
'karma-chrome-launcher',
'karma-mocha'
],

npm run unit

npm install chromedriver

npm run e2e 

java.lang.UnsupportedClassVersionError: org/openqa/grid/selenium/GridLauncherV3 : Unsupporte
d major.minor version 52.0

npm ERR! Windows_NT 10.0.14393
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "e2e"
npm ERR! node v6.9.5
npm ERR! npm  v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! vue-project@1.0.0 e2e: `node test/e2e/runner.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the vue-project@1.0.0 e2e script 'node test/e2e/runner.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the vue-project package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node test/e2e/runner.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs vue-project
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls vue-project
npm ERR! There is likely additional logging output above.npm ERR! Please include the following file with any support request:
npm ERR!     H:\vue-project\npm-debug.log

Starting selenium server... started - PID:  22592[Demo Test] Test Suite
==========================[Test] Test Suite
=====================Running:  default e2e tests
> Listening at http://localhost:8080
√ Element <#app> was visible after 87 milliseconds.√ Testing if element <.hello> is present.√ Testing if element <h1> contains text: "Welcome to Your Vue.js App".√ Testing if element <img> has count: 1OK. 4 assertions passed. (5.202s)OK. 4  total assertions passed. (5.484s)H:\vue-project>