Test

chore: put test deps into `test/Project.toml` #2180

Job	Run time
1 - DIT (Weird)	5m 40s
1 - DIT (Standard)	5m 41s
1 - DIT (Zero)	5m 40s
1 - DIT (Formalities)	5m 39s
1 - DI (Back/DifferentiateWith)	4m 30s
1 - DI (Core/Internals)	4m 25s
1 - DI (Core/ZeroBackends)	4m 27s
1 - DI (Back/Enzyme)	4m 28s
1 - DI (Back/SparsityDetector)	4m 10s
1 - DI (Core/SimpleFiniteDiff)	4m 25s
1 - DI (Back/FiniteDiff)	4m 27s
1 - DI (Back/FiniteDifferences)	4m 26s
1 - DI (Back/GTPSA)	4m 27s
1 - DI (Back/ForwardDiff)	4m 27s
1 - DI (Back/Mooncake)	4m 29s
1 - DI (Back/PolyesterForwardDiff)	4m 26s
1 - DI (Back/Tracker)	4m 28s
1 - DI (Back/SymbolicBackends)	3s
1 - DI (Back/Zygote)	4m 14s
1 - DI (Back/ReverseDiff)	4m 14s
1 - DI (Down/Lux)	4m 29s
1 - DI (Down/Flux)	12s
	1h 33m 27s

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