R Under development (unstable) (2023-12-04 r85659 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> Sys.unsetenv("R_TESTS")
> if (require(testthat, quietly = TRUE)) {
+   require(dbarts)
+   test_check("dbarts")
+ } else {
+   cat("package 'testthat' not available; cannot run unit tests\n")
+ }
Loading required package: dbarts
[ FAIL 0 | WARN 0 | SKIP 1 | PASS 777 ]

══ Skipped tests (1) ═══════════════════════════════════════════════════════════
• lme4 cannot be loaded (1): 'test-14-rbart.R:299:3'

[ FAIL 0 | WARN 0 | SKIP 1 | PASS 777 ]
> 
> 
> proc.time()
   user  system elapsed 
  42.10    2.62   45.15