Update tests/utils/gossamer_utils.go

Co-authored-by: Eclésio Junior <[email protected]>

Author: qdm12

tests/utils/gossamer_utils.go

@@ -206,7 +206,8 @@ func startGossamer(t *testing.T, node *Node, websocket bool) error {
 		const checkNodeStartedTimeout = time.Second
 		checkNodeCtx, cancel := context.WithTimeout(ctx, checkNodeStartedTimeout)
 
-		err = checkNodeStarted(checkNodeCtx, t, "http://"+HOSTNAME+":"+node.RPCPort)
+                 addr := fmt.Sprintf("http://%s:%d", HOSTNAME, node.RPCPort)
+		err = checkNodeStarted(checkNodeCtx, t, addr)
 
 		cancel()