Add JET tests #1061

Job	Run time
DiffEqBase.jl/Downstream/1	30m 34s
OrdinaryDiffEq.jl/Interface/1	1h 22m 8s
OrdinaryDiffEq.jl/Core/1	13m 32s
DiffEqBase.jl/Downstream2/1	12m 36s
DiffEqBase.jl/Core/1	2m 5s
DiffEqSensitivity.jl/Core/1	22m 31s
SciMLBase.jl/Core/1	7m 18s
SciMLSensitivity.jl/Core1/1	46m 8s
SciMLSensitivity.jl/Core2/1	29m 29s
SciMLSensitivity.jl/Core4/1	17m 28s
DelayDiffEq.jl/Interface/1	18m 4s
SciMLSensitivity.jl/Core3/1	54m 17s
SciMLSensitivity.jl/Core6/1	35m 37s
SciMLSensitivity.jl/Core5/1	2h 24m 43s
LabelledArrays.jl/RecursiveArrayTools/1	3m 45s
	8h 40m 15s

Provide feedback