add testing coldkey to vec

Author: camfairchild

pallets/subtensor/src/tests/swap_hotkey.rs

@@ -1473,7 +1473,7 @@ fn test_swap_auto_stake_destination_coldkeys() {
         let new_hotkey = U256::from(2);
         let coldkey = U256::from(3);
         let netuid = NetUid::from(2u16); // Can't be root
-        let coldkeys = vec![U256::from(4), U256::from(5)];
+        let coldkeys = vec![U256::from(4), U256::from(5), coldkey];
         let mut weight = Weight::zero();
 
         // Initialize ChildKeys for old_hotkey