Update tearing.jl

Author: ChrisRackauckas

test/structural_transformation/tearing.jl

@@ -214,7 +214,7 @@ ms_eqs = []
 
 calculate_jacobian(ms_model)
 calculate_tgrad(ms_model)
-calculate_control_jacobian(ms_model)
+
 # Mass starts with velocity = 1
 u0 = [
       mass.s => 0.0
@@ -224,7 +224,6 @@ u0 = [
 sys = structural_simplify(ms_model)
 @test sys.jac[] === ModelingToolkit.EMPTY_JAC
 @test sys.tgrad[] === ModelingToolkit.EMPTY_TGRAD
-@test sys.ctrl_jac[] === ModelingToolkit.EMPTY_JAC
 prob_complex = ODAEProblem(sys, u0, (0, 1.0))
 sol = solve(prob_complex, Tsit5())
 @test all(sol[mass.v] .== 1)