properly initialise the random number generator in the integration tests

integrationtests/gquic/gquic_suite_test.go

@@ -2,7 +2,7 @@ package gquic_test
 
 import (
 	"fmt"
-	mrand "math/rand"
+	"math/rand"
 	"path/filepath"
 	"runtime"
 
@@ -26,7 +26,7 @@ func TestIntegration(t *testing.T) {
 }
 
 var _ = BeforeSuite(func() {
-	mrand.Seed(GinkgoRandomSeed())
+	rand.Seed(GinkgoRandomSeed())
 })
 
 var _ = JustBeforeEach(func() {

integrationtests/gquic/random_rtt_test.go

@@ -24,7 +24,6 @@ func getRandomDuration(min, max time.Duration) time.Duration {
 }
 
 var _ = Describe("Random Duration Generator", func() {
-	rand.Seed(time.Now().UnixNano())
 	It("gets a random RTT", func() {
 		var min time.Duration = time.Hour
 		var max time.Duration
@@ -54,7 +53,6 @@ var _ = Describe("Random RTT", func() {
 	var proxy *quicproxy.QuicProxy
 
 	runRTTTest := func(minRtt, maxRtt time.Duration, version protocol.VersionNumber) {
-		rand.Seed(time.Now().UnixNano())
 		var err error
 		proxy, err = quicproxy.NewQuicProxy("localhost:", version, &quicproxy.Opts{
 			RemoteAddr: "localhost:" + testserver.Port(),

integrationtests/self/self_suite_test.go

@@ -1,15 +1,20 @@
 package self_test
 
 import (
+	"math/rand"
+	"testing"
+
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
 	_ "github.com/lucas-clemente/quic-go/integrationtests/tools/testlog"
-
-	"testing"
 )
 
 func TestSelf(t *testing.T) {
 	RegisterFailHandler(Fail)
 	RunSpecs(t, "Self integration tests")
 }
+
+var _ = BeforeSuite(func() {
+	rand.Seed(GinkgoRandomSeed())
+})