Fix use of check_method_equivalence

lbmpy_tests/test_force.py

@@ -178,7 +178,7 @@ def test_schiller_vs_guo(stencil):
     force_moments_g = sp.simplify(method_g.moment_matrix * sp.Matrix(method_g.force_model(method_g)))
     diff = sp.simplify(force_moments_s - force_moments_g)
     
-    assert check_method_equivalence(method_s, method_g)
+    assert check_method_equivalence(method_s, method_g, True)
 
 
 @pytest.mark.parametrize("force_model", force_models)