Creates tests/testthat/, tests/testthat.R, and adds the testthat package
to the Suggests field. Learn more in https://r-pkgs.org/testing-basics.html
Arguments
- edition
- testthat edition to use. Defaults to the latest edition, i.e. the major version number of the currently installed testthat. 
- parallel
- Should tests be run in parallel? This feature appeared in testthat 3.0.0; see https://testthat.r-lib.org/articles/parallel.html for details and caveats. 
See also
use_test() to create individual test files
