text: import pytest
  
  from gaphor.C4Model.modelinglanguage import C4ModelLanguage
  from gaphor.core.modeling.modelinglanguage import (
      CoreModelingLanguage,
      MockModelingLanguage,
  )
  from gaphor.UML.modelinglanguage import UMLModelingLanguage
  
  
  @pytest.fixture
  def modeling_language():
      return MockModelingLanguage(
          CoreModelingLanguage(), UMLModelingLanguage(), C4ModelLanguage()
      )
  