text: """Core fixtures for testing opsdroid and skills."""
  import pytest
  
  from opsdroid.core import OpsDroid
  
  __all__ = ["opsdroid"]
  
  
  @pytest.fixture
  def opsdroid():
      """Fixture with a plain instance of opsdroid.
  
      Will yield an instance of opsdroid which hasn't been loaded.
  
      """
      with OpsDroid(config={}) as opsdroid:
          yield opsdroid
  