test: update test to account for allow_algebraic

Author: AayushSabharwal

test/nonlinearsystem.jl

@@ -300,8 +300,7 @@ sys = structural_simplify(ns; conservative = true)
     ps = [σ => 10.0, ρ => 26.0, β => 8 / 3]
     @mtkbuild ns = NonlinearSystem(eqs)
 
-    @test isequal(calculate_jacobian(ns), [(-1 - z + ρ)*σ -x*σ
-                                           2x*(-z + ρ) -β-(x^2)])
+    @test isequal(calculate_jacobian(ns), [2x])
     # solve without analytical jacobian
     prob = NonlinearProblem(ns, guesses, ps)
     sol = solve(prob, NewtonRaphson())