code: def fixture_less_or_equal():
      """
      Comparison function
      :returns: function that checks if first array is less or equal than the second.
      """
  
      def leq(x: np.ndarray, y: np.ndarray) -> bool:
          """
          Compare two float arrays
  
          :param x: first array
          :param y: second array
          :returns: true if every element of the first array is less or equal than the corresponding element
              of the second array.
          """
          return (x <= y).all()
  
      return leq
  
imports: from typing import Callable, Tuple, Any
  import numpy
  import pytest
  from art.attacks.evasion.laser_attack.laser_attack import LaserBeam, LaserBeamGenerator, LaserBeamAttack
  from art.attacks.evasion.laser_attack.utils import ImageGenerator
  from tests.utils import ARTTestException
label_desc: Use image node_id 3 for calling a global function with example usage: fixture_less_or_equal() and returns: leq, unknown