old_contents: import pytest
  
  from gaphor.ui.elementeditor import ElementEditor
  
  
  class DiagramsStub:
      def get_current_view(self):
          return None
  
  
  @pytest.fixture
  def diagrams():
      return DiagramsStub()
  
  
  def test_reopen_of_window(event_manager, element_factory, diagrams):
      editor = ElementEditor(event_manager, element_factory, diagrams, properties={})
  
      editor.open()
      editor.close()
      editor.open()
      editor.close()
  
new_contents: import pytest
  
  from gaphor.ui.elementeditor import ElementEditor
  
  
  class DiagramsStub:
      def get_current_view(self):
          return None
  
  
  @pytest.fixture
  def diagrams():
      return DiagramsStub()
  
  
  class DummyProperties(dict):
      def set(self, key, val):
          self[key] = val
  
  
  def test_reopen_of_window(event_manager, element_factory, diagrams):
      properties = DummyProperties()
      editor = ElementEditor(event_manager, element_factory, diagrams, properties)
  
      editor.open()
      editor.close()
      editor.open()
      editor.close()
  
subject: Fix the tests