for j := 0; j < tries; j++ {
				timer.Reset(Hour + Duration(i*j))
			}
		}(i)
		go func(i int) {
			defer wg.Done()
			timer.Stop()
		}(i)
	}
	wg.Wait()
}

func TestTimeIsDST(t *testing.T) {
	undo := DisablePlatformSources()
	defer undo()

	tzWithDST, err := LoadLocation("Australia/Sydney")
	if err != nil {
		t.Fatalf("could not load tz 'Australia/Sydney': %v", err)
	}