in src/google.rs [103:107]
fn test_preserves_other_existing_params() {
let result =
GoogleChatMessage::build_webhook_url("https://example.com/ABCDEF?foo=bar", "1234");
assert_eq!(Result::unwrap(result), String::from("https://example.com/ABCDEF?foo=bar&messageReplyOption=REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD&threadKey=1234"))
}