accept the control stream and parse SETTINGS frame, for the H3 server

http3/http3_suite_test.go

@@ -1,7 +1,10 @@
 package http3
 
 import (
+	"os"
+	"strconv"
 	"testing"
+	"time"
 
 	"github.com/golang/mock/gomock"
 
@@ -23,3 +26,13 @@ var _ = BeforeEach(func() {
 var _ = AfterEach(func() {
 	mockCtrl.Finish()
 })
+
+//nolint:unparam
+func scaleDuration(t time.Duration) time.Duration {
+	scaleFactor := 1
+	if f, err := strconv.Atoi(os.Getenv("TIMESCALE_FACTOR")); err == nil { // parsing "" errors, so this works fine if the env is not set
+		scaleFactor = f
+	}
+	Expect(scaleFactor).ToNot(BeZero())
+	return time.Duration(scaleFactor) * t
+}