code: def test_no_args(self):
      with self.assertRaises(type_check.InvalidType):
          functions.broadcast()
  
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import functions
  from chainer import gradient_check
  from chainer import testing
  from chainer.testing import attr
  from chainer.utils import type_check
  import chainerx
label_desc: Use image node_id 3 for calling the TestBroadcastTypeError obj's underlying member method code with example usage: obj.test_no_args() without return types