chore: fix import grouping

go.mod

@@ -109,6 +109,7 @@ require (
 	go4.org v0.0.0-20190313082347-94abd6928b1d // indirect
 	golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb
 	golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 // indirect
+	google.golang.org/appengine v1.4.0 // indirect
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 	gotest.tools/gotestsum v0.3.4
 )

namesys/ipns_resolver_validation_test.go

@@ -5,8 +5,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/libp2p/go-libp2p-core/test"
-
 	ds "github.com/ipfs/go-datastore"
 	dssync "github.com/ipfs/go-datastore/sync"
 	mockrouting "github.com/ipfs/go-ipfs-routing/mock"
@@ -18,6 +16,7 @@ import (
 	peer "github.com/libp2p/go-libp2p-core/peer"
 	pstore "github.com/libp2p/go-libp2p-core/peerstore"
 	routing "github.com/libp2p/go-libp2p-core/routing"
+	"github.com/libp2p/go-libp2p-core/test"
 	pstoremem "github.com/libp2p/go-libp2p-peerstore/pstoremem"
 	record "github.com/libp2p/go-libp2p-record"
 	testutil "github.com/libp2p/go-libp2p-testing/net"