#[cfg(all(feature = "std", not(test)))]
use std::time::{SystemTime, UNIX_EPOCH};
-#[cfg(not(feature = "std"))]
+#[cfg(all(not(feature = "std"), not(test)))]
use alloc::{vec::Vec, borrow::ToOwned};
/// The purpose of this prefix is to identify the serialization format, should other rapid gossip