R Under development (unstable) (2024-08-16 r87026 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(rdflib)
> 
> test_check("rdflib")
librdf error - XML parser error: Start tag expected, '<' not found
[ FAIL 0 | WARN 0 | SKIP 14 | PASS 45 ]

══ Skipped tests (14) ══════════════════════════════════════════════════════════
• No test for SPARQL CONSTRUCT (1): 'test-rdf_query.R:8:3'
• On CRAN (12): 'test-parse-serialize.R:48:3', 'test-parse-serialize.R:142:5',
  'test-parse-serialize.R:158:5', 'test-parse-serialize.R:173:5',
  'test-parse-serialize.R:217:3', 'test-rdf.R:42:3', 'test-rdf_add.R:5:3',
  'test-rdf_storage.R:4:3', 'test-rdf_storage.R:22:3',
  'test-rdf_storage.R:43:3', 'test-rdf_storage.R:65:3',
  'test-rdf_storage.R:88:3'
• rdf_has_bdb() is not TRUE (1): 'test-rdf_storage.R:99:3'

[ FAIL 0 | WARN 0 | SKIP 14 | PASS 45 ]
> 
> proc.time()
   user  system elapsed 
   1.70    0.42    2.09