if(require("suppdata") & require("testthat")){
    
    context("Science")

    test_that("Science works", {    
        skip_on_cran()
        expect_true(file.exists(suppdata("10.1126/science.1255768",
                                         "Appendix_BanksLeite_etal.txt")))
    })

    test_that("Science fails with numeric SI info", {    
        skip_on_cran()
        expect_error(suppdata("10.1126/science.1255768", 999), "character SI info")
    })

}