code: def test_unique_1d_with_axis(self, axis):
      x = np.array([4, 3, 2, 3, 2, 1, 2, 2])
      uniq = unique(x, axis=axis)
      assert_array_equal(uniq, [1, 2, 3, 4])
  
imports: import numpy
  from numpy import ediff1d, intersect1d, setxor1d, union1d, setdiff1d, unique, isin
  from numpy.exceptions import AxisError
  from numpy.testing import assert_array_equal, assert_equal, assert_raises, assert_raises_regex
  import pytest
label_desc: Use image node_id 5 for calling the TestUnique obj's underlying member method code with example usage: obj.test_unique_1d_with_axis(axis) without return types