`ic-test-state-machine` failed to decode response as candid type

[famouscat8]

Candid failed to decode for internal error

We need to implment our own Deserializer in this situation: pub struct Suggection { pub id: i32, pub title: String, pub content: Option<String>, pub principal: String, #[serde(with = "timestamp_format")] pub created_at: time::OffsetDateTime, } mod timestamp_format { use candid::Deserialize; use serde::Error as SerdeError; use serde::{Deserializer, Serializer}; use time::PrimitiveDateTime; use time::{Duration, OffsetDateTime}; pub fn deserial…