Test path escaping

[RedSparr0w]

This PR changes the single quote marks ' to escaped double qoutes \"

refer: mochajs/mocha#2895 (comment)
npm run test:js:server returns:

Warning: Could not find any test files matching pattern: '*.spec.js'
Warning: Could not find any test files matching pattern: 'lib/**/*.spec.js'
Warning: Could not find any test files matching pattern: 'services/**/*.spec.js'

[shields-ci]

	Warnings
⚠️	This PR modified package.json, but not package-lock.json - Perhaps you need to run npm install?

	Messages
📖	✨ Thanks for your contribution to Shields, @RedSparr0w!

Generated by 🚫 dangerJS

[PyvesB]

Hahaha, I was having the same problem myself for some time, and I thought it was just due to the fact that I was using a rather "exotic" command line tool and setup on my Windows. This seems to solve the problem. Well done! 👍

[RedSparr0w]

Thanks, Yeah i always just assumed it was just something wrong on my end 😆