diff --git a/.github/workflows/test_functional.yml b/.github/workflows/test_functional.yml
index ebbf005b0d7..31095c7e076 100644
--- a/.github/workflows/test_functional.yml
+++ b/.github/workflows/test_functional.yml
@@ -89,6 +89,12 @@ jobs:
           __HERE__
           cat "$GLOBAL_CFG_PATH"
 
+      - name: GNU coreutils
+        run: |
+          for CMD in grep split sed find sort; do
+            echo "${CMD}: $(which $CMD)"
+          done
+
       - name: Brew Install
         if: startsWith(matrix.os, 'macos')
         run: |
@@ -108,6 +114,12 @@ jobs:
           export PATH
           __HERE__
 
+      - name: GNU coreutils
+        run: |
+          for CMD in grep split sed find sort; do
+            echo "${CMD}: $(which $CMD)"
+          done
+
       - name: Apt-Get Install
         if: startsWith(matrix.os, 'ubuntu')
         run: |