Fix failure running make build test in cluster/images/etcd

Change-Id: I5072d06402d211c17c8c5fb952e193bd1e57c07d

cluster/images/etcd/migrate/integration_test.go

@@ -25,6 +25,7 @@ import (
 	"crypto/x509"
 	"crypto/x509/pkix"
 	"encoding/pem"
+	"flag"
 	"fmt"
 	"io/ioutil"
 	"math/big"
@@ -37,6 +38,7 @@ import (
 	"time"
 
 	"github.com/blang/semver"
+	"k8s.io/klog"
 )
 
 var (
@@ -45,6 +47,13 @@ var (
 	testVersionLatest     = &EtcdVersion{semver.MustParse("3.1.12")}
 )
 
+func init() {
+	// Enable klog which is used in dependencies
+	klog.InitFlags(nil)
+	flag.Set("logtostderr", "true")
+	flag.Set("v", "9")
+}
+
 func TestMigrate(t *testing.T) {
 	migrations := []struct {
 		title        string