Add PartialEq and Eq to Entry and improve entry tests

async-nats/src/jetstream/kv/mod.rs

@@ -1226,7 +1226,7 @@ impl futures::Stream for Keys {
 }
 
 /// An entry in a key-value bucket.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Entry {
     /// Name of the bucket the entry is in.
     pub bucket: String,

async-nats/tests/kv_tests.rs

@@ -215,6 +215,9 @@ mod kv {
 
         let value = kv.entry_for_revision("key", 1).await.unwrap();
         assert_eq!(from_utf8(&value.unwrap().value).unwrap(), "data");
+
+        let value = kv.entry_for_revision("key", 250).await.unwrap();
+        assert!(value.is_none());
     }
 
     #[tokio::test]