code: def test_scalar(self, xp, dtype):
      return getattr(xp, self.func)(dtype(3))
  
imports: import unittest
  import numpy
  from cupy import testing
label_desc: Use image node_id 2 for calling the TestTypeTestingObjFunctions obj's underlying member method code with example usage: obj.test_scalar(xp, dtype) and returns: getattr