R Under development (unstable) (2025-02-24 r87814 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(serofoi)
> 
> test_check("serofoi")

Attaching package: 'rlang'

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

    is_false, is_null, is_true


Attaching package: 'purrr'

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

    %@%, flatten, flatten_chr, flatten_dbl, flatten_int, flatten_lgl,
    flatten_raw, invoke, splice

The following object is masked from 'package:testthat':

    is_null

[ FAIL 0 | WARN 0 | SKIP 5 | PASS 150 ]

══ Skipped tests (5) ═══════════════════════════════════════════════════════════
• On CRAN (5): 'test-fit_seromodel.R:74:3', 'test-fit_seromodel.R:121:3',
  'test-fit_seromodel.R:180:3', 'test-fit_seromodel.R:238:3',
  'test-plot_seromodel.R:7:1'

[ FAIL 0 | WARN 0 | SKIP 5 | PASS 150 ]
> 
> proc.time()
   user  system elapsed 
   6.70    1.01    7.70