add test_new_os_random_initialization

accounts/src/key_management/mod.rs

@@ -140,6 +140,17 @@ mod tests {
         assert_eq!(decrypted_data, plaintext);
     }
 
+    #[test]
+    fn test_new_os_random_initialization() {
+        // Ensure that AddressKeyHolder is initialized correctly
+        let address_key_holder = AddressKeyHolder::new_os_random();
+
+        // Check that key holder fields are initialized with expected types and values
+        assert!(!Into::<bool>::into(address_key_holder.nullifer_public_key.is_identity()));
+        assert!(!Into::<bool>::into(address_key_holder.viewing_public_key.is_identity()));
+        assert!(address_key_holder.address.as_slice().len() > 0); // Assume TreeHashType has non-zero length for a valid address
+    }
+
     #[test]
     fn key_generation_test() {
         let seed_holder = SeedHolder::new_os_random();