Add Enzyme tests #200

Job	Run time
test (1.6, ubuntu-latest, x64, Others)	10m 46s
test (1.6, ubuntu-latest, x64, Enzyme)	1h 28m 18s
test (1.6, ubuntu-latest, x64, ForwardDiff)	2h 8m 7s
test (1.6, ubuntu-latest, x64, Tracker)	24m 29s
test (1.6, ubuntu-latest, x64, ReverseDiff)	1h 2m 40s
test (1.6, ubuntu-latest, x64, Zygote)	41m 4s
test (1, ubuntu-latest, x64, Others)	7m 52s
test (1, ubuntu-latest, x64, Enzyme)	1h 33m 17s
test (1, ubuntu-latest, x64, ForwardDiff)	59m 21s
test (1, ubuntu-latest, x64, Tracker)	17m 43s
test (1, ubuntu-latest, x64, ReverseDiff)	18m 27s
test (1, ubuntu-latest, x64, Zygote)	29m 35s
test (1, macOS-latest, x64, Others)	8m 53s
test (1, macOS-latest, x64, Enzyme)	4h 32m 52s
test (1, macOS-latest, x64, ForwardDiff)	4h 32m 59s
test (1, macOS-latest, x64, Tracker)	15m 53s
test (1, macOS-latest, x64, ReverseDiff)	22m 31s
test (1, macOS-latest, x64, Zygote)	23m 18s
	19h 58m 5s

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