add some bad requests

hwt.go

@@ -3,6 +3,8 @@ package hwt
 import (
 	"context"
 	fmt "fmt"
+	"go/src/math/rand"
+	"time"
 
 	"github.com/twitchtv/twirp"
 	pb "mcquay.me/hwt/rpc/hwt"
@@ -22,6 +24,11 @@ func (s *Server) Hello(ctx context.Context, req *pb.HelloReq) (*pb.HelloResp, er
 		return nil, twirp.InternalErrorWith(err)
 	}
 
+	if rand.Int()%100 == 0 {
+		rest := time.Duration(rand.Intn(50)) * time.Millisecond
+		time.Sleep(rest)
+	}
+
 	r := &pb.HelloResp{
 		Text:     fmt.Sprintf("%s said: %v", u, req.Subject),
 		Hostname: s.Hostname,