R Under development (unstable) (2025-04-21 r88169 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/tests.html
> # * https://testthat.r-lib.org/reference/test_package.html#special-files
> 
> library(AnalyzAIRR)
Loading required package: data.table
> 
> testthat::test_check("AnalyzAIRR")
Running on 1 cores...
Loading and filtering sequences...
[ FAIL 1 | WARN 0 | SKIP 0 | PASS 3 ]

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-loadData.R:12:3'): multiplication works ────────────────────────
Error in `data.table::fread(path)`: To read gz files directly, fread() requires 'R.utils' package which cannot be found. Please install 'R.utils' using 'install.packages('R.utils')'.
Backtrace:
    ▆
 1. └─AnalyzAIRR::readAIRRSet(...) at test-loadData.R:12:3
 2.   └─base::lapply(...)
 3.     └─AnalyzAIRR (local) FUN(X[[i]], ...)
 4.       └─AnalyzAIRR::parseAIRRC(path, chain = ch)
 5.         └─data.table::fread(path)
 6.           └─data.table:::stopf(...)
 7.             └─data.table:::raise_condition(...)

[ FAIL 1 | WARN 0 | SKIP 0 | PASS 3 ]
Error: Test failures
Execution halted