class_docstr: Unit tests for the ClusteringRegistry class.
class_docstr_tok: ["Unit","tests","for","the","ClusteringRegistry","class","."]
docstr: ClusterRegistry does not support a custom non-clusterable RNN cell.
docstr_tok: ["ClusterRegistry","does","not","support","a","custom","non-clusterable","RNN","cell","."]
code: def testDoesNotSupportKerasRNNLayerUnknownCell(self):
      """ClusterRegistry does not support a custom non-clusterable RNN cell."""
      l = keras.layers.RNN(ClusterRegistryTest.MinimalRNNCell(32))
      # We need to build it to have weights
      l.build((10, 1))
      self.assertFalse(ClusterRegistry.supports(l))
  
imports: from absl.testing import parameterized
  import tensorflow
  from tensorflow_model_optimization.python.core.clustering.keras import clusterable_layer
  from tensorflow_model_optimization.python.core.clustering.keras import clustering_registry
  from tensorflow_model_optimization.python.core.clustering.keras.cluster_config import GradientAggregation
label_desc: Use image node_id 6 for calling the ClusterRegistryTest obj's underlying member method code with example usage: obj.testDoesNotSupportKerasRNNLayerUnknownCell() without return types