test: update compat, fix tests for MTKv9

Author: AayushSabharwal

Project.toml

@@ -68,7 +68,7 @@ LinearAlgebra = "1.10"
 Logging = "1.10"
 Makie = "0.20"
 Markdown = "1.10"
-ModelingToolkit = "8.75"
+ModelingToolkit = "8.75, 9"
 PartialFunctions = "1.1"
 PrecompileTools = "1.2"
 Preferences = "1.3"

test/traits.jl

@@ -12,7 +12,8 @@ using ModelingToolkit, OrdinaryDiffEq, DataFrames
 @variables t x(t)=1
 D = Differential(t)
 eqs = [D(x) ~ -x]
-@named sys = ODESystem(eqs)
+@named sys = ODESystem(eqs, t)
+sys = complete(sys)
 prob = ODEProblem(sys)
 sol = solve(prob, Tsit5(), tspan = (0.0, 1.0))
 df = DataFrame(sol)