require(testthat)
require(fars)
#expect_that(fars_map_state(1,2019), throws_error("file 'accident_2019.csv.bz2' does not existX"))
expect_that(fars_map_state(1,2019), throws_error("file '' does not existX"))
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.