Tests

Merge pull request #476 from SciML/ChrisRackauckas-patch-1 #204

Job	Run time
Tests (1, Core) / Tests - Core	6m 16s
Tests (lts, Core) / Tests - Core	4m 37s
Tests (1, Downstream) / Tests - Downstream	18m 3s
Tests (lts, Downstream) / Tests - Downstream	13m 51s
Tests (pre, Core) / Tests - Core	4m 51s
Tests (pre, Downstream) / Tests - Downstream	7m 59s
	55m 37s

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