Tests

pullback reorganization (#208) #1441

Job	Run time
Tests (lts, windows-latest) / Julia lts - windows-latest	1h 23m 51s
Tests (lts, ubuntu-latest) / Julia lts - ubuntu-latest	1h 21m 10s
Tests (1, macOS-latest) / Julia 1 - macOS-latest	15m 21s
Tests (lts, macOS-latest) / Julia lts - macOS-latest	8m 38s
Tests (1, windows-latest) / Julia 1 - windows-latest	1h 10m 21s
Tests (1, ubuntu-latest) / Julia 1 - ubuntu-latest	1h 5m 16s
	5h 24m 37s

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