context("wbt_artanh") test_that("Returns the inverse hyperbolic tangent (arctanh) of each values in a raster", { skip_on_cran() skip_if_not(check_whitebox_binary()) dem <- sample_dem_data(); skip_if(dem == "") ret <- wbt_artanh(input = dem, output = "output.tif") expect_match(ret, "Elapsed Time") })