code: def test_watch_reset_unwatch(self, r):
      r["a"] = 1
  
      with r.monitor() as m:
          with r.pipeline() as pipe:
              pipe.watch("a")
              assert pipe.watching
              pipe.reset()
              assert not pipe.watching
  
          unwatch_command = wait_for_command(r, m, "UNWATCH")
          assert unwatch_command is not None
          assert unwatch_command["command"] == "UNWATCH"
  
imports: from contextlib import closing
  from unittest import mock
  import pytest
  import redis
  from .conftest import skip_if_server_version_lt, wait_for_command
label_desc: Use image node_id 19 for calling the TestPipeline obj's underlying member method code with example usage: obj.test_watch_reset_unwatch(r) without return types