Fix test

Author: YingboMa

test/reduction.jl

@@ -76,7 +76,10 @@ connected = ODESystem([s ~ a + lorenz1.x
                        lorenz2.F ~ lorenz1.u], t, systems=[lorenz1, lorenz2])
 @test length(Base.propertynames(connected)) == 10
 @test isequal((@nonamespace connected.lorenz1.x), x)
-@test isequal(connected.lorenz1.x, x)
+__x = x
+@unpack lorenz1 = connected
+@unpack x = lorenz1
+@test isequal(x, __x)
 
 # Reduced Flattened System