R Under development (unstable) (2023-10-09 r85295 ucrt) -- "Unsuffered Consequences"
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> ops <- options("crayon.enabled" = FALSE, warn = 1)
> library(testthat)
> library("covr")
> 
> # Skip tests on Solaris as gcc is not in the PATH and I do not have an easy way
> # to mimic the CRAN build environment
> if (!tolower(Sys.info()[["sysname"]]) == "sunos") {
+   Sys.setenv("R_TESTS" = "")
+   test_check("covr")
+ }
[ FAIL 0 | WARN 0 | SKIP 13 | PASS 295 ]

══ Skipped tests (13) ══════════════════════════════════════════════════════════
• On CRAN (8): 'test-Compiled.R:3:3', 'test-Compiled.R:36:3',
  'test-Compiled.R:49:3', 'test-Compiled.R:65:3', 'test-Compiled.R:81:3',
  'test-Compiled.R:89:3', 'test-tally_coverage.R:2:3', 'test-utils.R:46:3'
• On Windows (3): 'test-parallel.R:5:3', 'test-parallel.R:16:3',
  'test-parallel.R:37:3'
• getRversion() >= "4.0.0" is TRUE (1): 'test-utils.R:37:3'
• is_r_devel() is TRUE (1): 'test-R6.R:6:3'

[ FAIL 0 | WARN 0 | SKIP 13 | PASS 295 ]
> 
> options(ops)
> 
> proc.time()
   user  system elapsed 
   5.65    1.15  102.98