def METHOD_NAME(srv: Service, mocker, caplog):
    # Mock the SMTP library.
    mock_smtp: Mock = mocker.patch("smtplib.SMTP")
    # Load the plugin.
    module = load_module_from_file("mqttwarn/services/apprise_single.py")
    item = Item(
        config={"baseuri": "mailtos://smtp_username:smtp_password@mail.example.org"},
        target="test",
        addrs=["foo@example.org", "bar@example.org"],
        title="⚽ Message title ⚽",
        message="⚽ Notification message ⚽",
    )
    outcome = module.plugin(srv, item)
    assert mock_smtp.mock_calls == [
        call("mail.example.org", 587, None, timeout=15),
        call().starttls(),
        call().login("smtp_username", "smtp_password"),
        call().sendmail("smtp_username@mail.example.org", ["foo@example.org"], mock.ANY),
        call().sendmail("smtp_username@mail.example.org", ["bar@example.org"], mock.ANY),
        call().quit(),
    ]
    assert outcome is True
    assert (
        "Sending notification to Apprise. target=test, addresses=['foo@example.org', 'bar@example.org']"
        in caplog.messages
    )
    assert "Successfully sent message using Apprise" in caplog.messages