test: added test for dae_order_lowering#3335

ChrisRackauckas merged 1 commit intoSciML:masterSciML/ModelingToolkit.jl:masterfrom

sivasathyaseeelan:test-dae_order_loweringsivasathyaseeelan/ModelingToolkit.jl:test-dae_order_loweringCopy head branch name to clipboard