Fix godeps

Signed-off-by: Olivier Gambier <olivier@docker.com>

vendor/github.com/Sirupsen/logrus/formatters/logstash/logstash_test.go

@@ -1,52 +0,0 @@
-package logstash
-
-import (
-	"bytes"
-	"encoding/json"
-	"github.com/Sirupsen/logrus"
-	"github.com/stretchr/testify/assert"
-	"testing"
-)
-
-func TestLogstashFormatter(t *testing.T) {
-	assert := assert.New(t)
-
-	lf := LogstashFormatter{Type: "abc"}
-
-	fields := logrus.Fields{
-		"message": "def",
-		"level":   "ijk",
-		"type":    "lmn",
-		"one":     1,
-		"pi":      3.14,
-		"bool":    true,
-	}
-
-	entry := logrus.WithFields(fields)
-	entry.Message = "msg"
-	entry.Level = logrus.InfoLevel
-
-	b, _ := lf.Format(entry)
-
-	var data map[string]interface{}
-	dec := json.NewDecoder(bytes.NewReader(b))
-	dec.UseNumber()
-	dec.Decode(&data)
-
-	// base fields
-	assert.Equal(json.Number("1"), data["@version"])
-	assert.NotEmpty(data["@timestamp"])
-	assert.Equal("abc", data["type"])
-	assert.Equal("msg", data["message"])
-	assert.Equal("info", data["level"])
-
-	// substituted fields
-	assert.Equal("def", data["fields.message"])
-	assert.Equal("ijk", data["fields.level"])
-	assert.Equal("lmn", data["fields.type"])
-
-	// formats
-	assert.Equal(json.Number("1"), data["one"])
-	assert.Equal(json.Number("3.14"), data["pi"])
-	assert.Equal(true, data["bool"])
-}