Test fix

Author: N5N3

test/reducedim.jl

@@ -282,8 +282,9 @@ struct IteratorsKeys{T,A<:AbstractArray{T}}
     iter::A
     IteratorsKeys(iter) = new{eltype(iter),typeof(iter)}(iter)
 end
-Base.iterate(a::IteratorsKeys, state...) = Base.iterate(a.data, state...)
+Base.iterate(a::IteratorsKeys, state...) = Base.iterate(a.iter, state...)
 Base.keys(a::WithIteratorsKeys) = IteratorsKeys(keys(a.data))
+Base.eltype(::IteratorsKeys{T}) where {T} = T
 
 # findmin/findmax function arguments: output type inference
 @testset "findmin/findmax output type inference" begin