code: def validate(
      self,
      array_type,
      test_shape,
      dtype,
      s,
      kwargs,
      copy_func=copy.copy,
  ):
      # Do it with the cache
      interfaces.cache.enable()
      output = self._validate(
          array_type, test_shape, dtype, s, kwargs, copy_func=copy_func
      )
      output2 = self._validate(
          array_type, test_shape, dtype, s, kwargs, copy_func=copy_func
      )
  
      self.assertIsNot(output, output2)
  
      # Turn it off to finish
      interfaces.cache.disable()
  
imports: import copy
  import sys
  from pyfftw import interfaces, builders
  import pyfftw
  import numpy
  import numpy
  import unittest
  from .test_pyfftw_base import run_test_suites, miss
  from .test_pyfftw_numpy_interface import InterfacesNumpyFFTTestFFT
  import threading
  import time
  import os
  import hashlib
label_desc: Use image node_id 1 for calling the InterfacesNumpyFFTCacheTestFFT obj's underlying member method code with example usage: obj.validate(array_type, test_shape, dtype, s, kwargs, copy_func) without return types