code: def test_basic(self):
      a = kron(array([[1, 2], [3, 4]]), array([[1, 1, 1]]))
      assert_array_equal(
          a, array([[1, 1, 1, 2, 2, 2], [3, 3, 3, 4, 4, 4]])
      )
  
      m1 = array([[1, 2], [3, 4]])
      m2 = array([[10], [11]])
      a = kron(m1, m2)
      expected = array([[10, 20], [11, 22], [30, 40], [33, 44]])
      assert_array_equal(a, expected)
  
imports: import pytest
  import numpy
  from numpy import arange, array, eye, copy, sqrt
  from numpy.testing import assert_equal, assert_array_equal, assert_array_almost_equal, assert_allclose
  from pytest import raises
  from scipy.fft import fft
  from scipy.special import comb
  from scipy.linalg import toeplitz, hankel, circulant, hadamard, leslie, dft, companion, kron, block_diag, helmert, hilbert, invhilbert, pascal, invpascal, fiedler, fiedler_companion, eigvals, convolution_matrix
  from numpy.linalg import cond
label_desc: Use image node_id 1 for calling the TestKron obj's underlying member method code with example usage: obj.test_basic() without return types