Add tests

[regevbr]

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Summary

This PR fixes/implements the following bugs/features

• Bug 1
• Bug 2
• Feature 1
• Feature 2
• Breaking changes

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Test plan (required)

[qltysh]

Coverage Impact

This PR will not change total coverage.

Modified Files with Diff Coverage (1)

Rating	File	% Diff	Uncovered Line #s
	src/test/evaluator.spec.ts	100.0%
	Total	100.0%

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• Diff Coverage: Coverage for added or modified lines of code (excludes deleted files). Learn more.

• Total Coverage: Coverage for the whole repository, calculated as the sum of all File Coverage. Learn more.

• File Coverage: Covered Lines divided by Covered Lines plus Missed Lines. (Excludes non-executable lines including blank lines and comments.)

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