diff --git a/.github/workflows/test-package-vigilant.yaml b/.github/workflows/test-package-vigilant.yaml
index 26ab4a32e..79caa5806 100644
--- a/.github/workflows/test-package-vigilant.yaml
+++ b/.github/workflows/test-package-vigilant.yaml
@@ -22,8 +22,10 @@ jobs:
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
+          extra-packages: |
+            local::.
+            any::purrr
           install-quarto: false
-          extra-packages: local::.
 
       - name: Run Tests
         run: |
@@ -36,5 +38,11 @@ jobs:
             warnPartialMatchDollar = TRUE
           )
           if (Sys.getenv("_R_CHECK_FORCE_SUGGESTS_", "") == "") Sys.setenv("_R_CHECK_FORCE_SUGGESTS_" = "false")
-          testthat::test_dir("tests")
+          pkgload::load_all()
+          test_script_paths <- testthat::find_test_scripts("tests/testthat")
+          test_with_warning_as_error <- function(path) {
+            withr::local_options(list(warn = 2L))
+            testthat::test_file(path, stop_on_failure = TRUE, stop_on_warning = TRUE)
+          }
+          purrr::walk(test_script_paths, test_with_warning_as_error)
         shell: Rscript {0}
diff --git a/DESCRIPTION b/DESCRIPTION
index 915e03d88..fe2c81522 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -57,6 +57,7 @@ VignetteBuilder:
 Config/Needs/website: tidyverse/tidytemplate
 Config/Needs/development: pkgload, testthat, patrick
 Config/testthat/edition: 3
+Config/testthat/parallel: true
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.3.3