describe('HTTP Method Test for app.js', function() {
        var frisby = require('frisby');
            frisby.post('http://localhost:8000/abc/getme/login', {
               username:"myusername",
               password:"mypassword"
            }, {json: true})
            frisby.addHeaders({
                'Content-type':'application/json'

            })
            frisby.expectHeaderContains('content-type', 'application/json')
            frisby.expectJSON({
                method: 'POST'
            }).toss();
    });

Failures:

  1) HTTP Method Test for app.js encountered a declaration exception
   Message:
     TypeError: frisby.addHeaders is not a function
   Stacktrace:
     TypeError: frisby.addHeaders is not a function
    at jasmine.Suite.<anonymous> (/home/srikanth/Desktop/qcs/QCS/server/spec/app_spec.js:8:20)
    at Object.<anonymous> (/home/srikanth/Desktop/qcs/QCS/server/spec/app_spec.js:2:5)
    at Module._compile (module.js:660:30)
    at Object.Module._extensions..js (module.js:671:10)
    at Module.load (module.js:573:32)
    at tryModuleLoad (module.js:513:12)
    at Function.Module._load (module.js:505:3)