https://cran.csail.mit.edu/web/packages/tinysnapshot/index.html
CRAN: Package tinysnapshot
Snapshots for unit tests using the 'tinytest' framework for R. Includes expectations to test base R and 'ggplot2' plots as well as console output from print().
cranpackage
https://cran.r-project.org/web/checks/check_results_tinysnapshot.html
CRAN Package Check Results for Package tinysnapshot
check resultscranpackage