message: Fix the test gensym to prevent creating duplicate names in the same test.
diff: @@ -35,14 +35,17 @@ from tensorflow.python.platform import test
  class FakeNamer(object):
  + """A fake namer that uses a global counter to generate unique names."""
  +
  + def __init__(self):
  + self.i = 0
  def new_symbol(self, name_root, used):
  - i = 0
  while True:
  - name = '%s%d' % (name_root, i)
  + self.i += 1
  + name = '%s%d' % (name_root, self.i)
  if name not in used:
  return name
  - i += 1
  def compiled_function_name(self,
  original_fqn,
  