code: def test_make_kernel_bias_prior_spike_and_slab(self):
      kernel_shape = (2, 3, 3, 2)
      bias_shape = (3,)
      kernel_batch_ndims = 2
      bias_batch_ndims = 2
      prior = kernel_bias.make_kernel_bias_prior_spike_and_slab(
          kernel_shape,
          bias_shape=bias_shape,
          kernel_batch_ndims=kernel_batch_ndims,
          bias_batch_ndims=bias_batch_ndims,
      )
      kernel, bias = prior.sample()
      self.assertAllEqual(kernel.shape, kernel_shape)
      self.assertAllEqual(bias.shape, bias_shape)
  
imports: from tensorflow_probability.python.experimental.nn.util import kernel_bias
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 2 for calling the KernelBiasTest obj's underlying member method code with example usage: obj.test_make_kernel_bias_prior_spike_and_slab() without return types