R Under development (unstable) (2026-01-08 r89292 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(openalexR)
> 
> test_check("openalexR")
Identifier is missing, please specify filter or search argument.
[ FAIL 0 | WARN 0 | SKIP 34 | PASS 24 ]

══ Skipped tests (34) ══════════════════════════════════════════════════════════
• On CRAN (33): 'test-coro.R:3:3', 'test-coverage.R:2:3',
  'test-group_by.R:2:3', 'test-group_by.R:13:3', 'test-oa2bibliometrix.R:2:3',
  'test-oa2df.R:2:3', 'test-oa_fetch.R:2:3', 'test-oa_fetch.R:14:3',
  'test-oa_fetch.R:25:3', 'test-oa_fetch.R:36:3', 'test-oa_fetch.R:70:3',
  'test-oa_fetch.R:87:3', 'test-oa_fetch.R:107:3', 'test-oa_fetch.R:114:3',
  'test-oa_fetch.R:133:3', 'test-oa_fetch.R:140:3', 'test-oa_fetch.R:162:3',
  'test-oa_fetch.R:246:3', 'test-oa_fetch.R:310:3', 'test-oa_fetch.R:319:3',
  'test-oa_fetch.R:338:3', 'test-oa_fetch.R:352:3', 'test-oa_fetch.R:361:3',
  'test-oa_fetch.R:370:3', 'test-oa_fetch.R:379:3', 'test-oa_fetch.R:407:3',
  'test-oa_fetch.R:482:3', 'test-oa_snowball.R:2:3', 'test-oa_snowball.R:34:3',
  'test-oa_snowball.R:44:3', 'test-oa_snowball.R:61:3', 'test-simplify.R:2:3',
  'test-simplify.R:13:3'
• Skipping (1): 'test-oa_ngrams.R:2:3'

[ FAIL 0 | WARN 0 | SKIP 34 | PASS 24 ]
> 
> proc.time()
   user  system elapsed 
   2.18    0.34   12.25