code: def array_to_display():
      return np.random.random((7, 28, 28, 3))
  
file_path: tf-explain/tests/utils/test_display.py
imports: import numpy
  import pytest
  from tf_explain.utils.display import grid_display, heatmap_display, image_to_uint_255
label_desc: Use image node_id 1 for calling a global function with example usage: array_to_display() and returns: np