T-shirt constructor

Testing env.

For installed testing env was used npm

Two test frameworks were used: jasmine and mocha (with mocha-jsdom)

Install jasmine:

sudo npm install -g jasmine

Install mocha and mocha-jsdom:

sudo npm install -g mocha
sudo npm install -g mocha-jsdom

To run mocha test run the command:

npm test

If errors occurs run commands below:

npm install chai
npm install mocha-standard
npm install commander

And re-run npm test