R Under development (unstable) (2024-01-26 r85832 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(zip)

Attaching package: 'zip'

The following objects are masked from 'package:utils':

    unzip, zip

> 
> test_check("zip")
[ FAIL 0 | WARN 0 | SKIP 12 | PASS 234 ]

══ Skipped tests (12) ══════════════════════════════════════════════════════════
• On CRAN (6): 'test-inflate.R:34:3', 'test-inflate.R:51:3',
  'test-large-files.R:3:3', 'test-large-files.R:33:3',
  'test-large-files.R:67:3', 'test-paths.R:166:3'
• On Windows (6): 'test-errors.R:49:3', 'test-unzip.R:135:3',
  'test-weird-paths.R:3:3', 'test-weird-paths.R:23:3',
  'test-weird-paths.R:43:3', 'test-zipr.R:371:3'

[ FAIL 0 | WARN 0 | SKIP 12 | PASS 234 ]
> 
> proc.time()
   user  system elapsed 
   3.35    1.26    4.75