R Under development (unstable) (2023-09-23 r85214 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(openalexR)
Thank you for using openalexR!
To acknowledge our work, please cite the package by calling
`citation("openalexR")`.
> 
> test_check("openalexR")
Identifier is missing, please specify filter or search argument.
[ FAIL 0 | WARN 0 | SKIP 20 | PASS 58 ]

══ Skipped tests (20) ══════════════════════════════════════════════════════════
• On CRAN (20): 'test-oa2bibliometrix.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:62:3', 'test-oa_fetch.R:79:3', 'test-oa_fetch.R:99:3',
  'test-oa_fetch.R:106:3', 'test-oa_fetch.R:126:3', 'test-oa_fetch.R:148:3',
  'test-oa_fetch.R:215:3', 'test-oa_fetch.R:279:3', 'test-oa_fetch.R:288:3',
  'test-oa_snowball.R:2:3', 'test-oa_snowball.R:30:3',
  'test-oa_snowball.R:40:3', 'test-oa_snowball.R:57:3', 'test-simplify.R:2:3',
  'test-simplify.R:13:3'

[ FAIL 0 | WARN 0 | SKIP 20 | PASS 58 ]
> 
> proc.time()
   user  system elapsed 
   3.01    0.18   12.70