chore: sort imports

cmd/traefik/anonymize/anonymize_doOnJSON_test.go

@@ -1,8 +1,9 @@
 package anonymize
 
 import (
-	"github.com/stretchr/testify/assert"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func Test_doOnJSON(t *testing.T) {

middlewares/headers.go

@@ -3,8 +3,9 @@ package middlewares
 //Middleware based on https://github.com/unrolled/secure
 
 import (
-	"github.com/containous/traefik/types"
 	"net/http"
+
+	"github.com/containous/traefik/types"
 )
 
 // HeaderOptions is a struct for specifying configuration options for the headers middleware.

middlewares/headers_test.go

@@ -3,11 +3,12 @@ package middlewares
 //Middleware tests based on https://github.com/unrolled/secure
 
 import (
-	"github.com/containous/traefik/testhelpers"
-	"github.com/stretchr/testify/assert"
 	"net/http"
 	"net/http/httptest"
 	"testing"
+
+	"github.com/containous/traefik/testhelpers"
+	"github.com/stretchr/testify/assert"
 )
 
 var myHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {