message: Update test case to escape correctly, and add dash in part of the example
diff: @@ -1308,15 +1308,15 @@ class NameStackTest(test_util.TensorFlowTestCase):
  self.assertEqual("bar_2", g.unique_name("bar", mark_as_used=False))
  self.assertEqual("bar_2", g.unique_name("bar"))
  - def testBackslashRegex(self):
  + def testBackslashAndDashRegex(self):
  # GitHub issue 39019, all should pass
  g = ops.Graph()
  - with g.name_scope("n_CatCntc_campaign\c_campaign"):
  + with g.name_scope("n_CatCntc-campaign\\c_campaign"):
  pass
  with g.name_scope("foo"):
  - with g.name_scope("n_CatCntc_campaign\c_campaign"):
  + with g.name_scope("n_CatCntc-campaign\\c_campaign"):
  pass
  - with g.name_scope("n_CatCntc_campaign\c_campaign"):
  + with g.name_scope("n_CatCntc-campaign\\c_campaign"):
  with g.name_scope("foo"):
  pass
  