more test fixes

Author: vyudu

src/inputoutput.jl

@@ -163,7 +163,7 @@ has_var(ex, x) = x ∈ Set(get_variables(ex))
     f, x_sym, p_sym, io_sys = generate_control_function(
             sys::AbstractODESystem,
             inputs             = unbound_inputs(sys),
-            disturbance_inputs = Any[];
+            disturbance_inputs = disturbances(sys);
             implicit_dae       = false,
             simplify           = false,
         )

test/extensions/test_infiniteopt.jl

@@ -24,9 +24,8 @@ end
 model = complete(model)
 inputs = [model.τ]
 outputs = [model.y]
-
 model = structural_simplify(model; inputs, outputs)
-(f_oop, f_ip), dvs, psym, io_sys = ModelingToolkit.generate_control_function(
+f, dvs, psym, io_sys = ModelingToolkit.generate_control_function(
     model, split = false)
 
 f_obs = ModelingToolkit.build_explicit_observed_function(io_sys, [model.y]; inputs)