R Under development (unstable) (2023-08-07 r84900 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> # determine if tests should be skipped
> is_skip <- !identical(Sys.getenv("NOT_CRAN"), "true")
> 
> # run tests if needed
> if (!is_skip) {
+   ## load packages
+   library(testthat)
+   library(prioritizr)
+ 
+   ## try to load solver packages
+   suppressWarnings(require(gurobi))
+   suppressWarnings(require(lpsymphony))
+   suppressWarnings(require(Rsymphony))
+ 
+   ## disable parallel testing
+   Sys.unsetenv("R_TESTS")
+ 
+   ## determine reporter
+   if (identical(Sys.getenv("CI"), "true")) {
+     reporter <- "progress"
+   } else {
+     reporter <- testthat::check_reporter()
+   }
+ 
+   ## check tests
+   test_check("prioritizr", reporter = reporter)
+ }
> 
> proc.time()
   user  system elapsed 
   0.06    0.09    0.14