code: def GetTestConfigs():
      """Get all the valid tests configs to run.
  
      Returns:
        all the valid test configs
      """
      test_configs = ["NHWC", "NCHW"]
      return test_configs
  
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_nn_ops
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 3 for calling a global function with example usage: GetTestConfigs() and returns: test_configs