R Under development (unstable) (2025-09-12 r88822 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(ausoa)
> 
> test_check("ausoa", edition = 3)
Error in parse(con, n = -1, srcfile = srcfile, encoding = "UTF-8") : 
  test-api-contracts.R:1:1: unexpected input
1: 
    ^
Calls: test_check ... doTryCatch -> lapply -> FUN -> source_file -> parse
Execution halted