R Under development (unstable) (2024-05-25 r86622 ucrt) -- "Unsuffered Consequences"
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> library(testit)
> 
> test_pkg('highr')
Error in parse(text = code, keep.source = FALSE) : 
  <text>:2:0: unexpected end of input
1: 1+1+ # comment
   ^
> 
> proc.time()
   user  system elapsed 
   0.18    0.04    0.21