More tests

Author: YingboMa

test/controlsystem.jl

@@ -28,4 +28,4 @@ sol = solve(prob,BFGS())
     sys1 = ControlSystem(loss,eqs_short, t, [x, v], [u], p, name = :sys1)
     sys2 = ControlSystem(loss,eqs_short, t, [x, v], [u], p, name = :sys1)
     @test_throws ArgumentError ControlSystem(loss, [sys2.v ~ sys1.v], t, [], [], [], systems = [sys1, sys2])
-end
+end

test/odesystem.jl

@@ -402,3 +402,4 @@ sys = ODESystem(eqs, t, [sts...;], [ps...;])
 @test isequal(@nonamespace(sys.x), unwrap(x))
 @test isequal(@nonamespace(sys.y), unwrap(y))
 @test isequal(@nonamespace(sys.p), unwrap(p))
+@test_nowarn sys.x, sys.y, sys.p