Improves test coverage

[andrlik]

Also fixes a nasty irregularity in some of the art fetching code.

[coveralls]

Pull Request Test Coverage Report for Build 11334943862

Details

• 33 of 33 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+3.0%) to 100.0%

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Totals
Change from base Build 11332444137:	3.0%
Covered Lines:	643
Relevant Lines:	643

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💛 - Coveralls