[VOL-2735]Durations in voltha-lib-go should be specified as type time.Duration not int

Change-Id: I782e44fe1dc041b9eb54fd837950d2176e18fe42
diff --git a/pkg/mocks/etcd/etcd_server_test.go b/pkg/mocks/etcd/etcd_server_test.go
index 6178568..43c7a42 100644
--- a/pkg/mocks/etcd/etcd_server_test.go
+++ b/pkg/mocks/etcd/etcd_server_test.go
@@ -25,6 +25,7 @@
 	"github.com/stretchr/testify/assert"
 	"os"
 	"testing"
+	"time"
 )
 
 var etcdServer *EtcdServer
@@ -44,7 +45,7 @@
 		logger.Fatal("Embedded server failed to start")
 	}
 	clientAddr := fmt.Sprintf("localhost:%d", clientPort)
-	client, err = kvstore.NewEtcdClient(clientAddr, 10, log.WarnLevel)
+	client, err = kvstore.NewEtcdClient(clientAddr, 10*time.Second, log.WarnLevel)
 	if err != nil || client == nil {
 		etcdServer.Stop()
 		logger.Fatal("Failed to create an Etcd client")