R Under development (unstable) (2023-08-19 r84989 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> Sys.setenv("R_TESTS" = "")
> library(testthat)
> library(Matrix)
> library(MatrixExtra)
'MatrixExtra' modifies important behaviors from 'Matrix'. See ?MatrixExtra-options.
> test_check("MatrixExtra")
[ FAIL 0 | WARN 2 | SKIP 0 | PASS 6201 ]

[ FAIL 0 | WARN 2 | SKIP 0 | PASS 6201 ]
> 
> proc.time()
   user  system elapsed 
  19.00    1.35   20.32