Tests

Merge pull request #499 from ChrisRackauckas-Claude/arraypart_zero #246

Job	Run time
Tests (pre, Core) / Tests - Core	50s
Tests (1, Downstream) / Tests - Downstream	48s
Tests (1, Core) / Tests - Core	48s
Tests (pre, Downstream) / Tests - Downstream	47s
Tests (lts, Downstream) / Tests - Downstream	46s
Tests (lts, Core) / Tests - Core	46s
	4m 45s

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