Try the example below. Have a look at the references and learn more from function documentation such as test_that().

## Options

• testthat.use_colours: Should the output be coloured? (Default: TRUE).

• testthat.summary.max_reports: The maximum number of detailed test reports printed for the summary reporter (default: 10).

• testthat.summary.omit_dots: Omit progress dots in the summary reporter (default: FALSE).