runtime: improve reliability of timers test in CI

testdata/timers.go

@@ -4,38 +4,38 @@ import "time"
 
 func main() {
 	// Test ticker.
-	ticker := time.NewTicker(time.Millisecond * 160)
+	ticker := time.NewTicker(time.Millisecond * 250)
 	println("waiting on ticker")
 	go func() {
-		time.Sleep(time.Millisecond * 80)
-		println(" - after 80ms")
-		time.Sleep(time.Millisecond * 160)
-		println(" - after 240ms")
-		time.Sleep(time.Millisecond * 160)
-		println(" - after 400ms")
+		time.Sleep(time.Millisecond * 125)
+		println(" - after 125ms")
+		time.Sleep(time.Millisecond * 250)
+		println(" - after 375ms")
+		time.Sleep(time.Millisecond * 250)
+		println(" - after 625ms")
 	}()
 	<-ticker.C
-	println("waited on ticker at 160ms")
+	println("waited on ticker at 250ms")
 	<-ticker.C
-	println("waited on ticker at 320ms")
+	println("waited on ticker at 500ms")
 	ticker.Stop()
-	time.Sleep(time.Millisecond * 400)
+	time.Sleep(time.Millisecond * 500)
 	select {
 	case <-ticker.C:
 		println("fail: ticker should have stopped!")
 	default:
-		println("ticker was stopped (didn't send anything after 400ms)")
+		println("ticker was stopped (didn't send anything after 500ms)")
 	}
 
-	timer := time.NewTimer(time.Millisecond * 160)
+	timer := time.NewTimer(time.Millisecond * 250)
 	println("waiting on timer")
 	go func() {
-		time.Sleep(time.Millisecond * 80)
-		println(" - after 80ms")
-		time.Sleep(time.Millisecond * 160)
-		println(" - after 240ms")
+		time.Sleep(time.Millisecond * 125)
+		println(" - after 125ms")
+		time.Sleep(time.Millisecond * 250)
+		println(" - after 250ms")
 	}()
 	<-timer.C
-	println("waited on timer at 160ms")
-	time.Sleep(time.Millisecond * 160)
+	println("waited on timer at 250ms")
+	time.Sleep(time.Millisecond * 250)
 }

testdata/timers.txt

@@ -1,11 +1,11 @@
 waiting on ticker
- - after 80ms
-waited on ticker at 160ms
- - after 240ms
-waited on ticker at 320ms
- - after 400ms
-ticker was stopped (didn't send anything after 400ms)
+ - after 125ms
+waited on ticker at 250ms
+ - after 375ms
+waited on ticker at 500ms
+ - after 625ms
+ticker was stopped (didn't send anything after 500ms)
 waiting on timer
- - after 80ms
-waited on timer at 160ms
- - after 240ms
+ - after 125ms
+waited on timer at 250ms
+ - after 250ms