chore: lint fix

pkg/mev/bundle_sender_test.go

@@ -5,29 +5,27 @@ import (
 	"crypto/ecdsa"
 	"crypto/rand"
 	"encoding/json"
-	"fmt"
 	"math/big"
 	"net/http"
 	"testing"
 
+	"github.com/KyberNetwork/tradinglib/pkg/convert"
+	"github.com/KyberNetwork/tradinglib/pkg/mev"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-
-	"github.com/KyberNetwork/tradinglib/pkg/convert"
-	"github.com/KyberNetwork/tradinglib/pkg/mev"
 )
 
 func TestSendBundle(t *testing.T) {
 	t.Skip()
 	// Generate a new private key
 	privateKey, err := ecdsa.GenerateKey(crypto.S256(), rand.Reader)
 	if err != nil {
-		fmt.Println("Failed to generate private key:", err)
+		t.Error("Failed to generate private key:", err)
 		return
 	}
 	var (