Fix aliased variables variables with tests

[JackHowa]

• Follow-up to #299 and #289

[coveralls]

Pull Request Test Coverage Report for Build 9677656577

Details

• 25 of 38 (65.79%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+10.1%) to 76.548%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/utilities/getVariables.ts	6	19	31.58%
<!--	Total:	25	38	65.79%	-->

Totals
Change from base Build 8422990754:	10.1%
Covered Lines:	577
Relevant Lines:	738

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💛 - Coveralls