code: def test_magic_square(self):
      A, b, c, numbers = magic_square(3)
      A1, b1, status, message = self.rr(A, b)
      assert_equal(status, 0)
      assert_equal(A1.shape[0], 23)
      assert_equal(np.linalg.matrix_rank(A1), 23)
  
imports: 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_svd
  from scipy.optimize._remove_redundancy import _remove_redundancy_pivot_dense
  from scipy.optimize._remove_redundancy import _remove_redundancy_pivot_sparse
  from scipy.optimize._remove_redundancy import _remove_redundancy_id
  from scipy.sparse import csc_matrix
label_desc: Use image node_id 16 for calling the RRCommonTests obj's underlying member method code with example usage: obj.test_magic_square() without return types