code: def test_unique_no_axis(self, xp, dtype):
      a = testing.shaped_random((100, 100), xp, dtype)
      return xp.unique(a)
  
imports: import unittest
  import pytest
  import numpy
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestUnique obj's underlying member method code with example usage: obj.test_unique_no_axis(xp, dtype) and returns: xp