Add Enzyme tests #207

Job	Run time
test (1.6, ubuntu-latest, x64, Others)	4m 0s
test (1.6, ubuntu-latest, x64, Enzyme)	34m 28s
test (1.6, ubuntu-latest, x64, ForwardDiff)	1h 18m 57s
test (1.6, ubuntu-latest, x64, Tracker)	17m 22s
test (1.6, ubuntu-latest, x64, ReverseDiff)	1h 1m 13s
test (1.6, ubuntu-latest, x64, Zygote)	34m 27s
test (1, ubuntu-latest, x64, Others)	3m 42s
test (1, ubuntu-latest, x64, Enzyme)	1h 4m 28s
test (1, ubuntu-latest, x64, ForwardDiff)	59m 25s
test (1, ubuntu-latest, x64, Tracker)	12m 55s
test (1, ubuntu-latest, x64, ReverseDiff)	14m 1s
test (1, ubuntu-latest, x64, Zygote)	24m 49s
test (1, macOS-latest, x64, Others)	3m 56s
test (1, macOS-latest, x64, Enzyme)	1h 19m 1s
test (1, macOS-latest, x64, ForwardDiff)	1h 18m 59s
test (1, macOS-latest, x64, Tracker)	12m 49s
test (1, macOS-latest, x64, ReverseDiff)	14m 11s
test (1, macOS-latest, x64, Zygote)	23m 28s
	10h 22m 11s

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