Merge pull request #5385 from gyuho/fix_backup_test

e2e: wait for member publishing after backup

e2e/ctl_v2_test.go

@@ -257,6 +257,10 @@ func TestCtlV2Backup(t *testing.T) { // For https://github.com/coreos/etcd/issue
 	cfg2.forceNewCluster = true
 	epc2 := setupEtcdctlTest(t, &cfg2, false)
 
+	if _, err := epc2.procs[0].proc.Expect("etcdserver: published"); err != nil {
+		t.Fatal(err)
+	}
+
 	// check if backup went through correctly
 	if err := etcdctlGet(epc2, "foo1", "bar", false); err != nil {
 		t.Fatal(err)