R Under development (unstable) (2024-03-22 r86169 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(EcoCoupleR)
> 
> test_check("EcoCoupleR")
Loading required package: tidyverse
Installing package into 'D:/temp/Rtmpg3KEFs/RLIBS_1e6682bcf6ba7'
(as 'lib' is unspecified)
[ FAIL 1 | WARN 1 | SKIP 0 | PASS 0 ]

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test_eco_coupling.R:14:7'): (code run outside of `test_that()`) ─────
Error in `contrib.url(repos, "source")`: trying to use CRAN without setting a mirror
Backtrace:
    ▆
 1. └─EcoCoupleR (local) check_and_install_packages(packages) at test_eco_coupling.R:23:1
 2.   └─utils::install.packages(package) at test_eco_coupling.R:14:7
 3.     └─utils::contrib.url(repos, "source")

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