Revert "Revert "fixups""

This reverts commit e2c68d8775.

src/thin_client.rs

@@ -297,16 +297,7 @@ mod tests {
     fn tmp_ledger_path(name: &str) -> String {
         let keypair = KeyPair::new();
 
-        let id = {
-            let ids: Vec<_> = keypair
-                .pubkey()
-                .iter()
-                .map(|id| format!("{}", id))
-                .collect();
-            ids.join("")
-        };
-
-        format!("farf/{}-{}", name, id)
+        format!("farf/{}-{}", name, keypair.pubkey())
     }
 
     #[test]