Debug issue with GitLab CI: package deldir not found

3 jobs for master in 29 minutes and 28 seconds
Name Stage Failure
failed
test Test
R/load_layer.R: 100.00%
R/mapMCDA_datasets.R: 100.00%
R/resolution.R: 100.00%
R/rmext.R: 100.00%
R/wlc.R: 100.00%
>
>
Uploading artifacts for failed job
ERROR: Job failed: exit code 1