Do yourself a favour and don't use the {likert} package in #rstats. It apparently isn't maintained anymore, uses close to EOL functions (even whe it still was maintained) and its documentation + usability is crappy as heck.
#RStats pkg tip: Use "LazyDataCompression" option to pack more data into your package!
Setting "LazyDataCompression: xz" will override the default gzip compression of data - allowing for greater data sizes in your pakcage before hitting the 5MB(?) limit.
I might need to manipulate and synthesize midi in R, so I spent the afternoon trying to make various packages work. They are all wrappers for python stuff. It wasn't a cake walk, but I finally made an mp3 of the top gun theme song = declaring victory
"automatically generates a path relative to tests/testthat, regardless of where that directory might reside relative to the current working directory."
Summary: It'll find your file whether running interactively or running "R CMD check"
The check results were reported to me via email (without a full log of the check output), so this may have been a manual/bespoke extra-special run outside the standard machines.
Not sure. But then again I'm not sure anything is certain :)