R Under development (unstable) (2024-07-18 r86905 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(openxlsx)
> 
> test_check("openxlsx")
[ FAIL 0 | WARN 0 | SKIP 7 | PASS 1189 ]

══ Skipped tests (7) ═══════════════════════════════════════════════════════════
• On CRAN (3): 'test-read_sources.R:11:3', 'test-read_sources.R:38:3',
  'test-read_sources.R:55:3'
• empty test (3): 'test-trying_to_break_openxlsx.R:7:1',
  'test-worksheet_ordering.R:246:1', 'test-write_data_to_sheetData.R:189:1'
• formula.tools cannot be loaded (1): 'test-writeData.R:47:3'

[ FAIL 0 | WARN 0 | SKIP 7 | PASS 1189 ]
> 
> proc.time()
   user  system elapsed 
  29.48   10.43   40.36