Which tests should be included is up for debate. Some documentation to get you started can be found here: https://r-pkgs.org/testing-design.html#sec-tests-files-overview. However, I would introduce a rule that if a bug is reported, a test should be written to ensure it doesn't reappear.
Which tests should be included is up for debate. Some documentation to get you started can be found here: https://r-pkgs.org/testing-design.html#sec-tests-files-overview. However, I would introduce a rule that if a bug is reported, a test should be written to ensure it doesn't reappear.