code: def test_rankings_watch(self, output_seq_1):
      actual = output_seq_1.rankings_watch(printJson=True, watch=[0, 0])
      assert len(actual["output_tokens"]) == 2
      assert actual["rankings"].shape == (6, 2)
      assert isinstance(int(actual["rankings"][0][0]), int)
  
imports: from ecco import output
  import pytest
  import torch
  import numpy
  from ecco.output import NMF
  import ecco
label_desc: Use image node_id 9 for calling the TestOutput obj's underlying member method code with example usage: obj.test_rankings_watch(output_seq_1) without return types