code: def test_list_of_problems(self):
      for prob in self.list_of_problems:
          with suppress_warnings() as sup:
              sup.filter(UserWarning)
              result = minimize(
                  prob.fun,
                  prob.x0,
                  method=self.method,
                  bounds=prob.bounds,
                  constraints=prob.constr,
              )
  
          assert_array_almost_equal(result.x, prob.x_opt, decimal=3)
  
imports: from __future__ import division, print_function, absolute_import
  import numpy
  from numpy.testing import assert_, assert_array_almost_equal, assert_allclose, assert_equal, TestCase
  import pytest
  from scipy._lib._numpy_compat import suppress_warnings
  from scipy.optimize import NonlinearConstraint, LinearConstraint, Bounds, OptimizeWarning, minimize, BFGS
  from .test_minimize_constrained import Maratos, HyperbolicIneq, Rosenbrock, IneqRosenbrock, EqIneqRosenbrock, BoundedRosenbrock, Elec
  from scipy._lib._numpy_compat import _assert_warns, suppress_warnings
label_desc: Use image node_id 1 for calling the TestNewToOldSLSQP obj's underlying member method code with example usage: obj.test_list_of_problems() without return types