AzureAD Component tests have low coverage

[omusavi]

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Please provide us with the following information:

This issue is for a: (mark with an x)

- [ ] bug report -> please search issues before submitting
- [x] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

npm run test

Expected/desired behavior

Higher coverage so we can make changes with confidence

OS and Version?

All

Mention any other details that might be useful

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Thanks! We'll be in touch soon.

[megs-p]

@AndrewCraswell i can try and help out here