def test_ellipsis_forward_ref_annotated() -> None:
    """This previously resulted in the ellipsis being used as a default value."""

    class Model(BaseModel):
        f: 'Forward'

    Forward = Annotated[int, Field(...)]

    assert Model.model_fields['f'].default is PydanticUndefined
This previously resulted in the ellipsis being used as a default value.
tests/test_edge_cases.py