Error: zone-testing.js is needed for the fakeAsync() test helper but could not be found. When...

I am trying to run component testing on Angular web app using serenityJS + Jasmine but encountered the error below. Any idea how I can resolve this issue?

Message:

Error: zone-testing.js is needed for the fakeAsync() test helper but could not be found. Please make sure that your environment includes zone.js/dist/zone-testing.js Stack:

Error: zone-testing.js is needed for the fakeAsync() test helper but could not be found.
Please make sure that your environment includes zone.js/dist/zone-testing.js
at resetFakeAsyncZone (C:\Users\zhenweiwong\Desktop\serenityjsframework\packages\core\testing\src\fake_async.ts:25:9)
at UserContext.<anonymous> (C:\Users\zhenweiwong\Desktop\serenityjsframework\packages\core\testing\src\before_each.ts:26:5)
at <Jasmine>
at processImmediate (internal/timers.js:439:21)
at process.topLevelDomainCallback (domain.js:131:23)
Message:
Error: In this configuration Angular requires Zone.js
Stack:
Error: In this configuration Angular requires Zone.js
at new NgZone (C:\Users\zhenweiwong\Desktop\serenityjsframework\packages\core\src\zone\ng_zone.ts:129:13)
at TestBedViewEngine._initIfNeeded (C:\Users\zhenweiwong\Desktop\serenityjsframework\packages\core\testing\src\test_bed.ts:409:9)
at TestBedViewEngine.createComponent (C:\Users\zhenweiwong\Desktop\serenityjsframework\packages\core\testing\src\test_bed.ts:599:10)
at Function.TestBedViewEngine.createComponent (C:\Users\zhenweiwong\Desktop\serenityjsframework\packages\core\testing\src\test_bed.ts:245:36)
at UserContext.<anonymous> (C:\Users\zhenweiwong\Desktop\serenityjsframework\jasmine-test\spec\app1.component.spec.ts:32:29)
at <Jasmine>​

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