[In reply to Oim Trust]
describe('GET: /user/login', () => {

 it('Should return success GET status', () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
   .then(response => {
    response.status.should.equal(200);
   })
  });

 it('Should return fail GET status, because email or password is incorrect', () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'wR0n6_P4A55WoRd'
  })
   .catch(err => {
    let failAuthState = err.data;
    authState.should.have.property('message').and.to.be.a('string');
   })

 });

 it(`Should return true because have 'email:' property`, () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
  .then(response => {
   let authState = response.data;
   authState.should.have.property('email').and.to.be.a('string');
  })
 })

 it(`Should return true because have 'email:' property and have '@'`, () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
  .then(response => {
   let authState = response.data;
   authState.should.have.property('email').and.have.string('@');
  })
 })

 it(`Should return true because have 'providerData:' property`, () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
  .then(response => {
   let authState = response.data;
   authState.should.have.property('providerData').and.to.be.an('array');
  })
 })

 it(`Should return true because have 'providerData:' property and have certain length`, () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
  .then(response => {
   let authState = response.data;
   authState.should.have.property('providerData').and.to.be.an('array').and.to.have.lengthOf(1);
  })
 })

 it(`Should return true because have 'emailVerified:' property and valued false`, () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
  .then(response => {
   let authState = response.data;
   authState.should.have.property('emailVerified').and.to.be.false;
  })
 })

 it(`Should return true because have 'displayName:' property and valued null because app doesn't allow full name`, () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
  .then(response => {
   let authState = response.data;
   authState.should.have.property('displayName').and.to.be.null;
  })
 })

 it(`Should return true because have 'stsTokenManager:' property and is and object that contains importan objects`, () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
  .then(response => {
   let authState = response.data;
   authState.should.have.property('stsTokenManager').and.to.be.an('object')
  })
 })

 it(`Should return true because have 'apiKey: and accessToken:' property inside stsTokenManager object`, () => {
  return $http.post('/user/login', {
   email: 'adith@gmail.com',
   password: 'adith123'
  })
  .then(response => {
   let authState = response.data.stsTokenManager;
   authState.should.have.property('apiKey')
   authState.should.have.property('accessToken')
  })
 })

});