code: def test_masking_basics(self):
      self.run_layer_test(
          layers.Masking,
          init_kwargs={"mask_value": 0.0},
          input_shape=(2, 3, 2),
          expected_output_shape=(2, 3, 2),
          expected_num_trainable_weights=0,
          expected_num_non_trainable_weights=0,
          expected_num_seed_generators=0,
          expected_num_losses=0,
          supports_masking=True,
      )
  
file_path: keras/keras/layers/core/masking_test.py
imports: import numpy
  import pytest
  from keras import layers
  from keras import models
  from keras import testing
label_desc: Use image node_id 1 for calling the MaskingTest obj's underlying member method code with example usage: obj.test_masking_basics() without return types