message: Add alternative error string to test
diff: @@ -2284,7 +2284,7 @@ class ParseSequenceExampleTest(test.TestCase):
  # Message for batch=false in graph mode:
  "|.* do not form a valid RaggedTensor"
  # Message for batch=false in eager mode:
  - "|Incompatible shapes"))
  + "|Incompatible shapes|required broadcastable shapes"))
  @test_util.run_all_in_graph_and_eager_modes
  