Check if tests are coupled by randomizing order in which tests are run

.github/workflows/check-random-test-order.yaml

@@ -0,0 +1,33 @@
+on:
+  push:
+    branches:
+      - 'rc-*'
+
+name: check-random-test-order
+
+jobs:
+  check-random-test-order:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          install-quarto: false
+          extra-packages: local::.
+
+      - name: Run Tests in Random Order
+        run: |
+          options(crayon.enabled = TRUE)
+          seed <- sample.int(1e6, 1L)
+          cli::cli_inform("Chosen seed for the current test run: {seed}")
+          set.seed(seed)
+          testthat::test_dir("tests", shuffle = TRUE)
+        shell: Rscript {0}

.gitignore

@@ -15,7 +15,9 @@ script.R
 *.Rcheck
 lintr_*.tar.gz
 testthat-problems.rds
+tests/testthat/_problems/
 
 docs
 inst/doc
 .DS_Store
+.claude/settings.local.json

DESCRIPTION

@@ -46,7 +46,7 @@ Suggests:
     rlang,
     rmarkdown,
     rstudioapi (>= 0.2),
-    testthat (>= 3.2.1),
+    testthat (>= 3.3.0),
     tibble,
     tufte,
     withr (>= 2.5.0)