R version 4.4.0 alpha (2024-03-26 r86209 ucrt)
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Platform: x86_64-w64-mingw32/x64

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> library(testthat)
> library(bslib)

Attaching package: 'bslib'

The following object is masked from 'package:utils':

    page

> 
> test_check("bslib")
Starting 2 test processes
[ FAIL 0 | WARN 0 | SKIP 31 | PASS 409 ]

══ Skipped tests (31) ══════════════════════════════════════════════════════════
• On CRAN (31): 'test-zzzz-bs-sass.R:4:3', 'test-zzzz-bs-sass.R:26:3',
  'test-zzzz-bs-sass.R:51:3', 'test-zzz-precompile.R:18:3',
  'test-rmd-skeletons.R:18:3', 'test-bs-theme-preset-builtin.R:5:5',
  'test-bs-theme-preset.R:7:5', 'test-bs-theme-preset.R:14:5',
  'test-bs-theme-preset.R:34:5', 'test-fill.R:12:3', 'test-fill.R:29:3',
  'test-fill.R:46:3', 'test-fill.R:66:3', 'test-fill.R:81:3',
  'test-fill.R:114:3', 'test-fill.R:126:3', 'test-fill.R:146:3',
  'test-fill.R:167:3', 'test-fill.R:195:3', 'test-fill.R:208:3',
  'test-fill.R:232:3', 'test-layout.R:6:3', 'test-layout.R:45:3',
  'test-layout.R:91:3', 'test-layout.R:109:3', 'test-layout.R:123:3',
  'test-layout.R:129:3', 'test-page.R:68:3', 'test-page.R:90:5',
  'test-value-box.R:56:3', 'test-value-box.R:106:3'

[ FAIL 0 | WARN 0 | SKIP 31 | PASS 409 ]
Deleting unused snapshots:
• page/card.html
• page/modern-page.html
• zzzz-bs-sass/bs4-imports
• zzzz-bs-sass/bs5-imports
> 
> proc.time()
   user  system elapsed 
   2.39    0.20   21.62