demote roxut and testthat

[cbeleites]

... to suggested since that should be sufficient.

Also check DESCRIPTION:

Roxygen: list(markdown = TRUE,
              packages = "roxut",
              roclets = c("namespace", "rd", "roxut::tests_roclet"))

whether packages = "roxut" is correct?

[bryanhanson]

I will demote them. I'm already working on another release as I've had a couple of feature requests.

On the packages = "roxut" part, do you mean it might not be needed since we have roxut::tests_roclet? That might be the case and I'll check that too.