code: def test_clp2(self):
      assert internal.clp2(self.x) == self.expect
  
imports: import math
  import unittest
  import numpy
  import pytest
  from cupy._core import internal
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestClp2 obj's underlying member method code with example usage: obj.test_clp2() without return types