code: def test_manyways(self):
      a = np.array([5, 7, 1, 2, 8])
      b = np.array([9, 8, 2, 4, 3, 1, 5])
  
      c1 = setxor1d(a, b)
      aux1 = intersect1d(a, b)
      aux2 = union1d(a, b)
      c2 = setdiff1d(aux2, aux1)
      assert_array_equal(c1, c2)
  
imports: import numpy
  from numpy.testing import assert_array_equal, assert_equal, assert_raises, assert_raises_regex
  from numpy.lib.arraysetops import ediff1d, intersect1d, setxor1d, union1d, setdiff1d, unique, in1d, isin
  import pytest
label_desc: Use image node_id 29 for calling the TestSetOps obj's underlying member method code with example usage: obj.test_manyways() without return types