code: def test_bias_has_correct_value(self, bias_multiplier=2.0):
      conv2d_layer = keras_layers.FanInScaledConv2D(
          filters=1,
          kernel_size=3,
          bias_initializer="ones",
          bias_multiplier=bias_multiplier,
      )
  
      conv2d_layer(tf.ones((1, 3, 3, 4)))
      self.evaluate(tf.compat.v1.global_variables_initializer())
  
      self.assertAllClose(
          tf.squeeze(conv2d_layer.bias), bias_multiplier
      )
  
imports: import math
  from absl.testing import parameterized
  import tensorflow
  from tensorflow_graphics.projects.gan import keras_layers
  from tensorflow_graphics.util import test_case
label_desc: Use image node_id 3 for calling the FanInScaledConv2DTest obj's underlying member method code with example usage: obj.test_bias_has_correct_value(bias_multiplier) without return types