Add Enzyme tests #210

Job	Run time
test (1.6, ubuntu-latest, x64, Others)	4m 10s
test (1.6, ubuntu-latest, x64, Enzyme)	34m 9s
test (1.6, ubuntu-latest, x64, ForwardDiff)	2h 3m 15s
test (1.6, ubuntu-latest, x64, Tracker)	20m 39s
test (1.6, ubuntu-latest, x64, ReverseDiff)	1h 0m 36s
test (1.6, ubuntu-latest, x64, Zygote)	45m 26s
test (1, ubuntu-latest, x64, Others)	3m 37s
test (1, ubuntu-latest, x64, Enzyme)	1h 10m 0s
test (1, ubuntu-latest, x64, ForwardDiff)	56m 52s
test (1, ubuntu-latest, x64, Tracker)	16m 50s
test (1, ubuntu-latest, x64, ReverseDiff)	18m 16s
test (1, ubuntu-latest, x64, Zygote)	29m 7s
test (1, macOS-latest, x64, Others)	4m 11s
test (1, macOS-latest, x64, Enzyme)	3h 37m 33s
test (1, macOS-latest, x64, ForwardDiff)	2h 41m 30s
test (1, macOS-latest, x64, Tracker)	22m 38s
test (1, macOS-latest, x64, ReverseDiff)	17m 20s
test (1, macOS-latest, x64, Zygote)	22m 50s
	15h 28m 59s

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