Fix rpc tests

rpc/test/helpers.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"github.com/tendermint/tmlibs/log"
 
@@ -26,11 +27,15 @@ var globalConfig *cfg.Config
 func waitForRPC() {
 	laddr := GetConfig().RPC.ListenAddress
 	client := rpcclient.NewJSONRPCClient(laddr)
+	ctypes.RegisterAmino(client.Codec())
 	result := new(ctypes.ResultStatus)
 	for {
 		_, err := client.Call("status", map[string]interface{}{}, result)
 		if err == nil {
 			return
+		} else {
+			fmt.Println("error", err)
+			time.Sleep(time.Millisecond)
 		}
 	}
 }