@pytest.mark.asynico
async def test_handle_DATA(mocker):
    handle_mock = mocker.MagicMock()
    envelope_mock = mocker.MagicMock(mail_from="Test@From", rcpt_tos=["Test@To"], content=b"TestContent")

    result = SendToDictHandler.handle_DATA(handle_mock, "TestServer", "TestSession", envelope_mock)

    assert result == "250 Message accepted for delivery"
    assert email_core.testing_emails_dict == {
        "Test@To": {
            "from": "Test@From",
            "to": ["Test@To"],
            "msg": "TestContent",
        }
    }