R Under development (unstable) (2024-12-21 r87453 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(curl)
Using libcurl 8.10.1 with Schannel
> 
> # Comply with CRAN policy: skip tests if no internet
> if(curl::has_internet()){
+   test_check("curl")
+ }
This is libcurl version 8.10.1 with (OpenSSL/3.4.0) Schannel 
Using test server: https://hb.r-universe.dev 
[ FAIL 0 | WARN 0 | SKIP 5 | PASS 250 ]

══ Skipped tests (5) ═══════════════════════════════════════════════════════════
• On CRAN (4): 'test-idn.R:4:3', 'test-multi-download.R:14:3',
  'test-seek.R:2:3', 'test-winssl.R:2:3'
• grepl("UTF-8", Sys.getlocale()) is not TRUE (1): 'test-path.R:23:3'

[ FAIL 0 | WARN 0 | SKIP 5 | PASS 250 ]
> 
> proc.time()
   user  system elapsed 
   5.53    0.84   52.84