code: def test_epsilon(self, eps, locally_biased):
      result = direct(
          self.styblinski_tang,
          self.bounds_stylinski_tang,
          eps=eps,
          vol_tol=1e-6,
          locally_biased=locally_biased,
      )
      assert result.status == 4
      assert result.success
  
imports: from numpy.testing import assert_allclose, assert_array_less
  import pytest
  import numpy
  from scipy.optimize import direct, Bounds
label_desc: Use image node_id 19 for calling the TestDIRECT obj's underlying member method code with example usage: obj.test_epsilon(eps, locally_biased) without return types