dev-R/testit: new package, add 0.13

Signed-off-by: Robert Greener <me@r0bert.dev>

dev-R/testit/testit-0.13.ebuild

@@ -0,0 +1,20 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit R-packages edo
+
+DESCRIPTION='A Simple Package for Testing R Packages'
+KEYWORDS="~amd64"
+LICENSE='GPL-3'
+
+SUGGESTED_PACKAGES="
+	dev-R/rstudioapi
+	dev-R/covr
+"
+
+src_test() {
+	cd "${WORKDIR}/${P}/tests" || die
+	R_LIBS="${T}/R" edo Rscript --vanilla test-all.R
+}