Fix test

Author: YingboMa

src/systems/diffeqs/odesystem.jl

@@ -181,16 +181,16 @@ function ODESystem(deqs::AbstractVector{<:Equation}, iv, dvs, ps;
     checks = true,
     metadata = nothing,
     gui_metadata = nothing)
-    dvs = filter(x -> !isdelay(x, iv), dvs)
     name === nothing &&
         throw(ArgumentError("The `name` keyword must be provided. Please consider using the `@named` macro"))
     deqs = scalarize(deqs)
     @assert all(control -> any(isequal.(control, ps)), controls) "All controls must also be parameters."
 
     iv′ = value(scalarize(iv))
-    dvs′ = value.(scalarize(dvs))
     ps′ = value.(scalarize(ps))
     ctrl′ = value.(scalarize(controls))
+    dvs′ = value.(scalarize(dvs))
+    dvs′ = filter(x -> !isdelay(x, iv), dvs′)
 
     if !(isempty(default_u0) && isempty(default_p))
         Base.depwarn("`default_u0` and `default_p` are deprecated. Use `defaults` instead.",