R Under development (unstable) (2026-03-11 r89605 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(fdid)
> 
> test_check("fdid")
[ FAIL 0 | WARN 0 | SKIP 15 | PASS 17 ]

══ Skipped tests (15) ══════════════════════════════════════════════════════════
• On CRAN (15): 'test-fdid.R:114:3', 'test-fdid.R:124:3', 'test-fdid.R:130:3',
  'test-fdid.R:136:3', 'test-fdid.R:142:3', 'test-fdid.R:149:3',
  'test-fdid.R:156:3', 'test-fdid.R:164:3', 'test-fdid.R:179:3',
  'test-fdid.R:191:3', 'test-fdid.R:200:3', 'test-fdid.R:210:3',
  'test-fdid.R:216:3', 'test-fdid.R:223:3', 'test-fdid.R:230:3'

[ FAIL 0 | WARN 0 | SKIP 15 | PASS 17 ]
> 
> proc.time()
   user  system elapsed 
   3.21    0.62    3.76