Authenticate Test Fail - Githubissues

{path head}\VisualGit_SE701_2019_4>npm t

> VisualGit@1.0.0 test {path head}\VisualGit_SE701_2019_4
> jest

 PASS  tests/misc/profile.test.ts
 PASS  tests/services/popup/popup.service.test.ts
 PASS  tests/components/authenticate/authenticate.component.test.ts
 PASS  tests/services/user/user.service.test.ts
 FAIL  tests/services/authentication/authentication.service.test.ts (5.016s)
  ● Service: Authenticate › should successfully login when credentials are correct

    TypeError: Cannot read property 'then' of undefined

      18 |                 } else {
      19 |                     const credentials = this.getCreds(username, password);
    > 20 |                     this.userService.logIn(gitHubClient, data, credentials)
         |                     ^
      21 |                         .then(() => {
      22 |                             resolve("Logged in.");
      23 |                         })

      at gitHubClient.info (app/services/authentication/authentication.service.ts:20:21)
      at Me.jest.spyOn.mockImplementation.callback (tests/services/authentication/authentication.service.test.ts:26:13)
      at Promise (app/services/authentication/authentication.service.ts:15:26)
      at AuthenticationService.logIn (app/services/authentication/authentication.service.ts:12:16)
      at Object.done (tests/services/authentication/authentication.service.test.ts:31:22)

Test Suites: 1 failed, 4 passed, 5 total
Tests:       1 failed, 12 passed, 13 total
Snapshots:   0 total
Time:        8.281s
Ran all test suites.
npm ERR! Test failed.  See above for more details.
kblincoe / VisualGit_SE701_2019_4

Authenticate Test Fail #294
