code: def check_case(self, n, sym, low):
      assert_array_equal(pascal(n), sym)
      assert_array_equal(pascal(n, kind="lower"), low)
      assert_array_equal(pascal(n, kind="upper"), low.T)
      assert_array_almost_equal(pascal(n, exact=False), sym)
      assert_array_almost_equal(
          pascal(n, exact=False, kind="lower"), low
      )
      assert_array_almost_equal(
          pascal(n, exact=False, kind="upper"), low.T
      )
  
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 TestPascal obj's underlying member method code with example usage: obj.check_case(n, sym, low) without return types