Rearrange imports

protocol/dubbo/dubbo_invoker.go

@@ -21,11 +21,10 @@ import (
 	"context"
 	"strconv"
 	"sync"
-
-	"github.com/opentracing/opentracing-go"
 )
 
 import (
+	"github.com/opentracing/opentracing-go"
 	perrors "github.com/pkg/errors"
 )
 

protocol/dubbo/dubbo_invoker_test.go

@@ -22,13 +22,10 @@ import (
 	"sync"
 	"testing"
 	"time"
-
-	"github.com/opentracing/opentracing-go"
-
-	"github.com/apache/dubbo-go/common/logger"
 )
 
 import (
+	"github.com/opentracing/opentracing-go"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -88,7 +85,6 @@ func TestDubboInvoker_Invoke(t *testing.T) {
 	// testing appendCtx
 	span, ctx := opentracing.StartSpanFromContext(context.Background(), "TestOperation")
 	invoker.Invoke(ctx, inv)
-	logger.Warnf("aaaaaaa, inv: %v", inv.Attachments())
 	span.Finish()
 
 	// destroy