code: def testOutputSize(self):
      mod = linear.Linear(1)
      self.assertEqual(mod.output_size, 1)
  
imports: from absl.testing import parameterized
  import numpy
  from sonnet.src import linear
  from sonnet.src import test_utils
  import tensorflow
label_desc: Use image node_id 16 for calling the LinearTest obj's underlying member method code with example usage: obj.testOutputSize() without return types