code: def test_copies_variable_trainable(self, trainable):
      a = tf.Variable(1.0, trainable=trainable)
      b = utils.variable_like(a)
      self.assertEqual(a.trainable, b.trainable)
  
imports: from absl.testing import parameterized
  import numpy
  from sonnet.src import initializers
  from sonnet.src import test_utils
  from sonnet.src import utils
  import tensorflow
label_desc: Use image node_id 6 for calling the VariableLikeTest obj's underlying member method code with example usage: obj.test_copies_variable_trainable(trainable) without return types