'xo' is not recognized as an internal or external command,

[xkem]

C:\xampp\htdocs\google2>npm test

[email protected] test C:\xampp\htdocs\google2 xo && nyc ava --serial --verbose

'xo' is not recognized as an internal or external command, operable program or batch file. npm ERR! Test failed. See above for more details.

[vadimdemedes]

Run npm install before npm test.