refactor: ordering imports.

mocks/Marathon.go

@@ -1,11 +1,12 @@
 package mocks
 
-import "github.com/gambol99/go-marathon"
-import "github.com/stretchr/testify/mock"
+import (
+	"net/url"
+	"time"
 
-import "net/url"
-
-import "time"
+	"github.com/gambol99/go-marathon"
+	"github.com/stretchr/testify/mock"
+)
 
 // Marathon is a mock of marathon.Marathon
 type Marathon struct {

provider/marathon/marathon_test.go

@@ -2,11 +2,10 @@ package marathon
 
 import (
 	"errors"
+	"fmt"
 	"reflect"
 	"testing"
 
-	"fmt"
-
 	"github.com/containous/traefik/mocks"
 	"github.com/containous/traefik/testhelpers"
 	"github.com/containous/traefik/types"

provider/string_util_test.go

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