def METHOD_NAME(document, comm, get_display_handle):
    pane = HTML()
    model = pane.get_root(document, comm)
    handle = get_display_handle(model)
    try:
        1/0
    except Exception as e:
        pane._on_error(model.ref['id'], e)
    assert 'text/html' in handle
    assert 'ZeroDivisionError' in handle['text/html']
    try:
        1 + '2'
    except Exception as e:
        pane._on_error(model.ref['id'], e)
    assert 'text/html' in handle
    assert 'ZeroDivisionError' in handle['text/html']
    assert 'TypeError' in handle['text/html']
    pane._cleanup(model)
    assert model.ref['id'] not in state._handles