regroup test utils; remove unused function.

test/test_utils.go

@@ -1,22 +0,0 @@
-package test
-
-import (
-	"github.com/libp2p/go-libp2p-peer"
-	ma "github.com/multiformats/go-multiaddr"
-)
-
-func peerId(ids string) peer.ID {
-	id, err := peer.IDB58Decode(ids)
-	if err != nil {
-		panic(err)
-	}
-	return id
-}
-
-func multiaddr(m string) ma.Multiaddr {
-	maddr, err := ma.NewMultiaddr(m)
-	if err != nil {
-		panic(err)
-	}
-	return maddr
-}