R Under development (unstable) (2024-09-12 r87143 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(rsdmx)
> test_check("rsdmx")
<simpleError in as.character(text): cannot coerce type 'closure' to vector of type 'character'>
[ FAIL 3 | WARN 3 | SKIP 71 | PASS 204 ]

══ Skipped tests (71) ══════════════════════════════════════════════════════════
• On CRAN (71): 'test_Data.R:12:3', 'test_Data.R:30:3', 'test_Data.R:49:3',
  'test_Main.R:71:3', 'test_Main.R:83:3', 'test_Main.R:91:3',
  'test_Main_Helpers.R:15:3', 'test_Main_Helpers.R:46:3',
  'test_Main_Helpers.R:56:3', 'test_Main_Helpers.R:65:3',
  'test_Main_Helpers.R:79:3', 'test_Main_Helpers.R:88:3',
  'test_Main_Helpers.R:97:3', 'test_Main_Helpers.R:111:3',
  'test_Main_Helpers.R:120:3', 'test_Main_Helpers.R:129:3',
  'test_Main_Helpers.R:142:3', 'test_Main_Helpers.R:151:3',
  'test_Main_Helpers.R:160:3', 'test_Main_Helpers.R:173:3',
  'test_Main_Helpers.R:182:3', 'test_Main_Helpers.R:191:3',
  'test_Main_Helpers.R:204:3', 'test_Main_Helpers.R:213:3',
  'test_Main_Helpers.R:222:3', 'test_Main_Helpers.R:237:3',
  'test_Main_Helpers.R:246:3', 'test_Main_Helpers.R:255:3',
  'test_Main_Helpers.R:269:3', 'test_Main_Helpers.R:278:3',
  'test_Main_Helpers.R:287:3', 'test_Main_Helpers.R:302:3',
  'test_Main_Helpers.R:311:3', 'test_Main_Helpers.R:325:3',
  'test_Main_Helpers.R:334:3', 'test_Main_Helpers.R:343:3',
  'test_Main_Helpers.R:357:3', 'test_Main_Helpers.R:366:3',
  'test_Main_Helpers.R:375:3', 'test_Main_Helpers.R:389:3',
  'test_Main_Helpers.R:398:3', 'test_Main_Helpers.R:407:3',
  'test_Main_Helpers.R:421:3', 'test_Main_Helpers.R:430:3',
  'test_Main_Helpers.R:439:3', 'test_Main_Helpers.R:455:3',
  'test_Main_Helpers.R:464:3', 'test_Main_Helpers.R:478:3',
  'test_Main_Helpers.R:487:3', 'test_Main_Helpers.R:501:3',
  'test_Main_Helpers.R:510:3', 'test_Main_Helpers.R:519:3',
  'test_Main_Helpers.R:533:3', 'test_Main_Helpers.R:542:3',
  'test_Main_Helpers.R:551:3', 'test_Main_Helpers.R:564:3',
  'test_Main_Helpers.R:574:3', 'test_Main_Helpers.R:583:3',
  'test_Main_Helpers.R:596:3', 'test_Main_Helpers.R:606:3',
  'test_Main_Helpers.R:615:3', 'test_Main_Helpers.R:650:3',
  'test_Main_Helpers.R:659:3', 'test_Main_Helpers.R:668:3',
  'test_Main_Helpers.R:681:3', 'test_Main_Helpers.R:690:3',
  'test_Main_Helpers.R:712:3', 'test_Main_Helpers.R:721:3',
  'test_Main_Helpers.R:735:3', 'test_Main_Helpers.R:743:3',
  'test_Main_Helpers.R:751:3'

══ Failed tests ════════════════════════════════════════════════════════════════
── Failure ('test_Concepts.R:19:3'): Concepts 2.0 - with Concepts (backward compatibility with 1.0) ──
colnames(df) not equal to c("id", "version", "en").
1/3 mismatches
x[3]: "Name.en"
y[3]: "en"
── Failure ('test_Concepts.R:33:3'): Concepts - 2.0 - with ConceptSchemes ──────
colnames(df) not equal to c("id", "urn", "en").
1/3 mismatches
x[3]: "Name.en"
y[3]: "en"
── Failure ('test_Concepts.R:47:3'): Concepts - 2.1 - with ConceptSchemes ──────
colnames(df) not equal to c("id", "urn", "en").
1/3 mismatches
x[3]: "Name.en"
y[3]: "en"

[ FAIL 3 | WARN 3 | SKIP 71 | PASS 204 ]
Error: Test failures
Execution halted