fix reduction test

Author: ChrisRackauckas

test/reduction.jl

@@ -176,7 +176,7 @@ N = 5
 @variables xs[1:N]
 A = reshape(1:(N^2), N, N)
 eqs = xs .~ A * xs
-@named sys′ = NonlinearSystem(eqs, xs, [])
+@named sys′ = NonlinearSystem(collect(eqs), [xs], [])
 sys = structural_simplify(sys′)
 
 # issue 958

test/runtests.jl

@@ -38,7 +38,7 @@ end
         @safetestset "PDE Construction Test" include("pde.jl")
         @safetestset "JumpSystem Test" include("jumpsystem.jl")
         @safetestset "Constraints Test" include("constraints.jl")
-        #@safetestset "Reduction Test" include("reduction.jl")
+        @safetestset "Reduction Test" include("reduction.jl")
         @safetestset "Split Parameters Test" include("split_parameters.jl")
         @safetestset "StaticArrays Test" include("static_arrays.jl")
         @safetestset "Components Test" include("components.jl")