R Under development (unstable) (2024-05-16 r86559 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(melt)
> 
> test_check("melt")
[ FAIL 0 | WARN 0 | SKIP 19 | PASS 351 ]

══ Skipped tests (19) ══════════════════════════════════════════════════════════
• On CRAN (19): 'test-skip_on_cran.R:32:3', 'test-skip_on_cran.R:65:3',
  'test-skip_on_cran.R:93:3', 'test-skip_on_cran.R:121:3',
  'test-skip_on_cran.R:149:3', 'test-skip_on_cran.R:179:5',
  'test-skip_on_cran.R:208:3', 'test-skip_on_cran.R:236:3',
  'test-skip_on_cran.R:261:3', 'test-skip_on_cran.R:277:3',
  'test-skip_on_cran.R:299:3', 'test-skip_on_cran.R:322:3',
  'test-skip_on_cran.R:344:3', 'test-skip_on_cran.R:366:3',
  'test-skip_on_cran.R:379:5', 'test-skip_on_cran.R:404:3',
  'test-skip_on_cran.R:430:3', 'test-skip_on_cran.R:460:3',
  'test-skip_on_cran.R:489:3'

[ FAIL 0 | WARN 0 | SKIP 19 | PASS 351 ]
> 
> proc.time()
   user  system elapsed 
 103.12    1.18   74.56