class_docstr: Test PollingPathWatcher.
class_docstr_tok: ["Test","PollingPathWatcher","."]
docstr: Submit a new task to our mock executor.
docstr_tok: ["Submit","a","new","task","to","our","mock","executor","."]
code: def _submit_executor_task(self, task):
      """Submit a new task to our mock executor."""
      self._executor_tasks.append(task)
  
file_path: streamlit/lib/tests/streamlit/watcher/polling_path_watcher_test.py
imports: import unittest
  from unittest import mock
  from streamlit.watcher import polling_path_watcher
label_desc: Use image node_id 3 for calling the PollingPathWatcherTest obj's underlying member method code with example usage: obj._submit_executor_task(task) without return types