code: def test_invalid_data_format_raises_error(self):
      with self.assertRaises(ValueError):
          gdn.GDN(data_format="NHWC")
  
imports: import os
  from absl.testing import parameterized
  import tensorflow
  from tensorflow_compression.python.layers import gdn
  from tensorflow_compression.python.layers import parameters
label_desc: Use image node_id 2 for calling the GDNTest obj's underlying member method code with example usage: obj.test_invalid_data_format_raises_error() without return types