test(ng-lib): working test suites

[LayZeeDK]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/scullyio/scully/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Other... Please describe: Configure Angular Testing module for @scullyio/ng-lib test suites.

What is the current behavior?

Test suites fail.

Issue Number: N/A

What is the new behavior?

Test suites succeed.

Does this PR introduce a breaking change?

• Yes
• No

Other information

Use npm run test -- @scullyio/ng-lib to verify.

[aaronfrost]

I am glad to have these most basic of tests running. Hope to add more in the near future.