R Under development (unstable) (2024-07-03 r86870 ucrt) -- "Unsuffered Consequences"
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> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional test configuration?
> # Learn more about the roles of various files in:
> # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
> # * https://testthat.r-lib.org/articles/special-files.html
> 
> library(testthat)
> library(COMBO)
> 
> test_check("COMBO")
Loading required package: doParallel
Loading required package: foreach
Loading required package: iterators
Loading required package: parallel
Loading required package: numDeriv
Loading required package: quantreg
Loading required package: SparseM

Attaching package: 'turboEM'

The following objects are masked from 'package:numDeriv':

    grad, hessian

[ FAIL 0 | WARN 0 | SKIP 0 | PASS 5 ]
> 
> proc.time()
   user  system elapsed 
  13.32    0.79   14.09