add tests

Author: ChrisRackauckas

test/ad.jl

@@ -1,10 +1,10 @@
-using ArrayInterface, ReverseDiff, Tracker
+using ArrayInterface, ReverseDiff, Tracker, Test
 x = reduce(vcat, ReverseDiff.track([4.0]))
-ArrayInterface.aos_to_soa(x) isa ReverseDiff.TrackedArray
+@test ArrayInterface.aos_to_soa(x) isa ReverseDiff.TrackedArray
 x = reduce(vcat, ReverseDiff.track([4.0,4.0]))
-ArrayInterface.aos_to_soa(x) isa ReverseDiff.TrackedArray
+@test ArrayInterface.aos_to_soa(x) isa ReverseDiff.TrackedArray
 
 x = identity.(Tracker.TrackedArray([4.0]))
-ArrayInterface.aos_to_soa(x) isa Tracker.TrackedArray
+@test ArrayInterface.aos_to_soa(x) isa Tracker.TrackedArray
 x = identity.(Tracker.TrackedArray([4.0,4.0]))
-ArrayInterface.aos_to_soa(x) isa Tracker.TrackedArray
+@test ArrayInterface.aos_to_soa(x) isa Tracker.TrackedArray