code: def test_trust_krylov_start_in_optimum(self):
      r = minimize(
          rosen,
          x0=self.x_opt,
          jac=rosen_der,
          hess=rosen_hess,
          tol=1e-8,
          method="trust-krylov",
      )
      assert_allclose(self.x_opt, r["x"])
  
file_path: catboost/contrib/python/scipy/py3/scipy/optimize/tests/test_trustregion.py
imports: import itertools
  from copy import deepcopy
  import numpy
  from numpy.testing import assert_, assert_equal, assert_allclose
  from scipy.optimize import minimize, rosen, rosen_der, rosen_hess, rosen_hess_prod, BFGS
  from scipy.optimize._differentiable_functions import FD_METHODS
  import pytest
label_desc: Use image node_id 7 for calling the TestTrustRegionSolvers obj's underlying member method code with example usage: obj.test_trust_krylov_start_in_optimum() without return types