error check for coverage

Author: MichaelChirico

tests/testthat/test-skip.R

@@ -144,6 +144,8 @@ test_that("skip_unless_r works as expected", {
   expect_skip(skip_unless_r(">= 999.999.999"))
   expect_skip(skip_unless_r("== 0.0.0"))
   expect_skip(skip_unless_r("<= 0.0.0"))
+
+  expect_error(skip_unless_r("idfjdij"), "should be a comparison like '>='", fixed = TRUE)
 })
 
 test_that("skip_unless_r gives the expected output", {