code: def test_infeasible_zero_row():
      A = np.eye(3)
      A[1, :] = 0
      b = np.random.rand(3)
      A1, b1, status, message = _remove_redundancy(A, b)
      assert_equal(status, 2)
  
imports: from __future__ import division, print_function, absolute_import
  import numpy
  from numpy.testing import assert_, assert_allclose, assert_equal
  from .test_linprog import magic_square
  from scipy.optimize._remove_redundancy import _remove_redundancy
label_desc: Use image node_id 4 for calling a global function with example usage: test_infeasible_zero_row() without return types