in azure-kusto-ingest/src/resource_manager/cache.rs [105:114]
fn test_cached_is_expired() {
let value = "hello";
let mut cached_string = Cached::new(value.to_string(), Duration::from_secs(60));
assert!(!cached_string.is_expired());
cached_string.last_updated = Instant::now() - Duration::from_secs(61);
assert!(cached_string.is_expired());
}