R Under development (unstable) (2025-05-30 r88253 ucrt) -- "Unsuffered Consequences"
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> # ==================================================================== #
> # TITLE:                                                               #
> # AMR: An R Package for Working with Antimicrobial Resistance Data     #
> #                                                                      #
> # SOURCE CODE:                                                         #
> # https://github.com/msberends/AMR                                     #
> #                                                                      #
> # PLEASE CITE THIS SOFTWARE AS:                                        #
> # Berends MS, Luz CF, Friedrich AW, et al. (2022).                     #
> # AMR: An R Package for Working with Antimicrobial Resistance Data.    #
> # Journal of Statistical Software, 104(3), 1-31.                       #
> # https://doi.org/10.18637/jss.v104.i03                                #
> #                                                                      #
> # Developed at the University of Groningen and the University Medical  #
> # Center Groningen in The Netherlands, in collaboration with many      #
> # colleagues from around the world, see our website.                   #
> #                                                                      #
> # This R package is free software; you can freely use and distribute   #
> # it for both personal and commercial purposes under the terms of the  #
> # GNU General Public License version 2.0 (GNU GPL-2), as published by  #
> # the Free Software Foundation.                                        #
> # We created this package for both routine data analysis and academic  #
> # research and it was publicly released in the hope that it will be    #
> # useful, but it comes WITHOUT ANY WARRANTY OR LIABILITY.              #
> #                                                                      #
> # Visit our website for the full manual and a complete tutorial about  #
> # how to conduct AMR data analysis: https://amr-for-r.org              #
> # ==================================================================== #
> 
> library(testthat)
> library(AMR)
> 
> test_check("AMR")
Error in `test_dir()`:
! No test files found
Backtrace:
    ▆
 1. └─testthat::test_check("AMR")
 2.   └─testthat::test_dir("testthat", package = package, reporter = reporter, ..., load_package = "installed")
 3.     └─rlang::abort("No test files found")
Execution halted