func checkEvenPositive(is *testy.T, n int) {
// replace 'is' with a labeled, upleveled equivalent
is = is.Uplevel(1).Label("Testing", n)
if n < 1 {
is.Error("was not positive")
}
if n%2 != 0 {
is.Error("was not even")
}
}
func checkEven(is *testy.T, n int) {
is = is.Uplevel(1).Label("Testing", n)
if n%2 != 0 {
is.Error("Value is not even")
}
}