test: mark erroring simplification of initialization system as broken

Author: AayushSabharwal

test/split_parameters.jl

@@ -82,6 +82,8 @@ eqs = [y ~ src.output.u
 @named sys = ODESystem(eqs, t, vars, []; systems = [int, src])
 s = complete(sys)
 sys = structural_simplify(sys)
+@test_broken ODEProblem(
+    sys, [], (0.0, t_end), [s.src.interpolator => Interpolator(x, dt)]; tofloat = false)
 prob = ODEProblem(
     sys, [], (0.0, t_end), [s.src.interpolator => Interpolator(x, dt)];
     tofloat = false, build_initializeprob = false)