code: def test_asmatrix(self):
      A = np.arange(100).reshape(10, 10)
      mA = asmatrix(A)
      A[0, 0] = -10
      assert_(A[0, 0] == mA[0, 0])
  
imports: import collections.abc
  import numpy
  from numpy import matrix, asmatrix, bmat
  from numpy.testing import assert_, assert_equal, assert_almost_equal, assert_array_equal, assert_array_almost_equal, assert_raises
  from numpy.linalg import matrix_power
  from numpy.matrixlib import mat
label_desc: Use image node_id 10 for calling the TestProperties obj's underlying member method code with example usage: obj.test_asmatrix() without return types