Fix(request-helper): return new Test

[Bamieh]

I was testing the master code on my company's code base, and It was not working because of this changed line of code:

return new Test(server, method, path)
   .on('end', function() {
       obj.close();
    });

This is the error:

TypeError: Cannot read property 'address' of undefined
at serverAddress (request.js)
at new Test (request.js)
at Object.obj.(anonymous function) [as get] (request.js)
at Context. (.spec.js)

I have the following setup:

global.reflowRequest = () => request(process.env.AUTOMATION_MANAGER_API);

//...

const req = reflowRequest().get(url);

return expect(req).to.eventually.be.fulfilled...

The fix proposed solved this issue for me

[Bamieh]

Closing this as it turns out the error i was getting is happening dues to not sending an app at all to the request method.

chai.request(undefined);