These helper functions make it easier to test the examples in a package. Each example counts as one test, and it succeeds if the code runs without an error.
test_examples(path = "../..")test_example(path)
test_rd(rd)
For test_examples(), path to directory containing Rd files.
For test_example(), path to a single Rd file. Remember the working
directory for tests is tests/testthat.
A parsed Rd object, obtained from tools::Rd_db() or otherwise.