R Under development (unstable) (2024-07-11 r86890 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> 
> test_check("RCzechia")
Loading required package: RCzechia
Loading required package: sf
Linking to GEOS 3.12.1, GDAL 3.8.4, PROJ 9.3.1; sf_use_s2() is TRUE
[ FAIL 0 | WARN 0 | SKIP 35 | PASS 4 ]

══ Skipped tests (35) ══════════════════════════════════════════════════════════
• On CRAN (35): 'test-1-casti.R:6:3', 'test-1-chr-uzemi.R:7:3',
  'test-1-ctverce.R:6:3', 'test-1-geomorfo.R:7:3', 'test-1-geomorfo.R:32:3',
  'test-1-geomorfo.R:57:3', 'test-1-geomorfo.R:82:3',
  'test-1-geomorfo.R:107:3', 'test-1-geomorfo.R:132:3',
  'test-1-geomorfo.R:157:3', 'test-1-geomorfo.R:182:3',
  'test-1-historie.R:7:3', 'test-1-katastr.R:6:3', 'test-1-kraje.R:6:3',
  'test-1-lesy.R:6:3', 'test-1-obce.R:6:3', 'test-1-obce.R:33:3',
  'test-1-okresy.R:6:3', 'test-1-orp.R:7:3', 'test-1-relief.R:7:3',
  'test-1-republika.R:6:3', 'test-1-transport.R:7:3',
  'test-1-transport.R:36:3', 'test-1-vodstvo.R:6:3', 'test-1-vodstvo.R:33:3',
  'test-1-volby.R:6:3', 'test-1-volby.R:46:3', 'test-1-zip-codes.R:6:3',
  'test-2-code-internal.R:7:3', 'test-2-code-internal.R:44:3',
  'test-2-code-public.R:11:3', 'test-2-code-public.R:64:3',
  'test-3-integrace.R:6:3', 'test-3-integrace.R:115:3',
  'test-3-integrace.R:147:3'

[ FAIL 0 | WARN 0 | SKIP 35 | PASS 4 ]
> 
> proc.time()
   user  system elapsed 
   5.26    0.37    5.62