code: def test_given_categorical_independent_data_when_perform_kernel_based_test_then_not_reject():
      x = np.random.normal(0, 1, 1000)
      y = (np.random.choice(2, 1000) == 1).astype(str)
  
      assert kernel_based(x, y) > 0.05
  
imports: import random
  import numpy
  import pytest
  from flaky import flaky
  from dowhy.gcm.independence_test import approx_kernel_based, kernel_based
label_desc: Use image node_id 4 for calling a global function with example usage: test_given_categorical_independent_data_when_perform_kernel_based_test_then_not_reject() without return types