fix test

Author: lorenzwalthert

tests/testthat/test-zzz.R

@@ -6,7 +6,7 @@ test_that("styler tests did not use R.cache in user root", {
 })
 
 test_that("clear Cache", {
-  R.cache::clearCache(R.cache::getCachePath("styler"))
+  R.cache::clearCache(R.cache::getCachePath("styler"), recursive = TRUE)
   skip_on_cran()
   expect_true(
     length(list.dirs(R.cache::getCachePath("styler"))) == 1