refactor(_example):

Adjust code import order

- Adjust the import order of "github.com/gocraft/dbr/v2" to before "github.com/stretchr/testify/assert"
- This change does not add or remove any functionality, it just reorganizes the order of import statements

Author: Johonsoy

_example/main_test.go

@@ -17,12 +17,12 @@ package main
 import (
 	"database/sql"
 	"fmt"
-	"github.com/gocraft/dbr/v2"
 	"net"
 	"testing"
 	"time"
 
 	_ "github.com/go-sql-driver/mysql"
+	"github.com/gocraft/dbr/v2"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )