R Under development (unstable) (2023-06-30 r84625 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(transport)
> 
> test_check("transport")
[ FAIL 0 | WARN 0 | SKIP 4 | PASS 36 ]

══ Skipped tests (4) ═══════════════════════════════════════════════════════════
• On CRAN (4): 'test-main.R:163:3', 'test-main.R:185:3', 'test-main.R:194:3',
  'test-main.R:220:3'

[ FAIL 0 | WARN 0 | SKIP 4 | PASS 36 ]
> 
> proc.time()
   user  system elapsed 
   1.53    0.10    1.64