code: def test_attributes_cannot_be_set_after_build(self):
      layer = signal_conv.SignalConv1D(2, 1)
      layer.build((None, None, 2))
      with self.assertRaises(RuntimeError):
          layer.filters = 3
      with self.assertRaises(RuntimeError):
          layer.kernel_support = 3
      with self.assertRaises(RuntimeError):
          layer.corr = True
      with self.assertRaises(RuntimeError):
          layer.strides_down = 2
      with self.assertRaises(RuntimeError):
          layer.strides_up = 2
      with self.assertRaises(RuntimeError):
          layer.padding = "valid"
      with self.assertRaises(RuntimeError):
          layer.extra_pad_end = True
      with self.assertRaises(RuntimeError):
          layer.channel_separable = True
      with self.assertRaises(RuntimeError):
          layer.data_format = "channels_first"
      with self.assertRaises(RuntimeError):
          layer.activation = tf.nn.relu
      with self.assertRaises(RuntimeError):
          layer.use_bias = False
      with self.assertRaises(RuntimeError):
          layer.use_explicit = False
      with self.assertRaises(RuntimeError):
          layer.kernel_parameter = tf.ones((1, 2, 3))
      with self.assertRaises(RuntimeError):
          layer.bias_parameter = tf.ones((3,))
      with self.assertRaises(RuntimeError):
          layer.kernel_initializer = tf.keras.initializers.Ones()
      with self.assertRaises(RuntimeError):
          layer.bias_initializer = tf.keras.initializers.Ones()
      with self.assertRaises(RuntimeError):
          layer.kernel_regularizer = tf.keras.regularizers.L2()
      with self.assertRaises(RuntimeError):
          layer.bias_regularizer = tf.keras.regularizers.L2()
  
imports: import os
  from absl.testing import parameterized
  import numpy
  import scipy.signal
  import tensorflow
  from tensorflow_compression.python.layers import initializers
  from tensorflow_compression.python.layers import parameters
  from tensorflow_compression.python.layers import signal_conv
label_desc: Use image node_id 6 for calling the SignalConvTest obj's underlying member method code with example usage: obj.test_attributes_cannot_be_set_after_build() without return types