diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 919a151..93911cf 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -107,6 +107,21 @@ jobs:
           name: install-log
           path: |
             ${{ steps.build-install-check.outputs.install-log }}
+            
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up R
+        uses: r-lib/actions/setup-r@v2
+
+      - name: Install dependencies
+        run: Rscript -e 'install.packages("testthat")'
+
+      - name: Run tests and capture output
+        run: |
+          sink("tests/testthat/testthat.Rout")
+          testthat::test_dir("tests/testthat")
+          sink()
 
       - name: Show testthat output (windows)
         if: always() && runner.os == 'Windows'
@@ -145,5 +160,7 @@ jobs:
         run: |
           R CMD INSTALL .
           Rscript -e "remotes::install_dev('pkgdown'); pkgdown::deploy_to_branch(new_process = FALSE)"
+    
+