Adding mocha/setup back in.
Adding mocha/setup back in.

This effectively reverts #888.

The mocha docs state that 'mocha/setup' must be required
after your test framework is loaded.

resque/resque,Shopify/resque,coupa/resque,coupa/resque,stvp/resque,stvp/resque,ejlangev/resque,Shopify/resque,CloudVLab/resque,stvp/resque,CloudVLab/resque,xiangzhuyuan/resque,coupa/resque,Shopify/resque,xiangzhuyuan/resque,resque/resque,CloudVLab/resque,resque/resque,ejlangev/resque,xiangzhuyuan/resque