R Under development (unstable) (2025-06-12 r88305 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(testthat)
> library(mathml)
Loading required package: rolog
Found SWI-Prolog at D:/temp/2025_06_13_16_20_17_8155/RtmpqkwgL2/RLIBS_abb414204d16/rswipl/swipl
Welcome to SWI-Prolog (threaded, 64 bits, version 9.3.21)
Loading required package: knitr
> 
> test_check("mathml")
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 162 ]
> 
> proc.time()
   user  system elapsed 
   2.78    0.35    3.07