Function elapsedCheck

ch04/future_test.go:179–185

(t *testing.T, start time.Time, seconds int)

}

func elapsedCheck(t *testing.T, start time.Time, seconds int) {
	elapsed := int(time.Now().Sub(start).Seconds())

	if seconds != elapsed {
		t.Errorf("expected %d seconds; got %d\n", seconds, elapsed)
	}
}