Tests

Merge pull request #2943 from SciML/myb/debuginfo #112

Job	Run time
Tests (Downstream) / Tests - Downstream	7m 30s
Tests (Extensions) / Tests - Extensions	5m 44s
Tests (InterfaceI) / Tests - InterfaceI	26m 7s
Tests (InterfaceII) / Tests - InterfaceII	6m 41s
Tests (RegressionI) / Tests - RegressionI	4m 46s
	50m 48s

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