R Under development (unstable) (2025-01-11 r87563 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> # 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(GDILM.SEIRS)
> 
> test_check("GDILM.SEIRS")
[ FAIL 1 | WARN 0 | SKIP 0 | PASS 1 ]

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-GDILM_SEIRS_Sim_Par_Est.R:2:3'): An example for a simulation study ──
Error in `solve.default(EndY5r)`: Lapack routine dgesv: system is exactly singular: U[2,2] = 0
Backtrace:
    ▆
 1. └─GDILM.SEIRS::GDILM_SEIRS_Sim_Par_Est(...) at test-GDILM_SEIRS_Sim_Par_Est.R:2:3
 2.   └─GDILM.SEIRS (local) estfun(...)
 3.     ├─base::solve(EndY5r)
 4.     └─base::solve.default(EndY5r)

[ FAIL 1 | WARN 0 | SKIP 0 | PASS 1 ]
Error: Test failures
Execution halted