text: import asyncio
  from typing import Iterator
  
  import pytest
  
  
  # This is an optimization to reduce runtime by reducing setup and teardown on the
  # wallet nodes fixture below.
  # https://github.com/pytest-dev/pytest-asyncio/blob/v0.18.1/pytest_asyncio/plugin.py#L479-L484
  @pytest.fixture(scope="module")
  def event_loop(request: "pytest.FixtureRequest") -> Iterator[asyncio.AbstractEventLoop]:
      """Create an instance of the default event loop for each test case."""
      loop = asyncio.get_event_loop_policy().new_event_loop()
      yield loop
      loop.close()
  