Fix 'Check status of combined status' GH workflow step

Author: nsoranzo

.github/workflows/pr.yaml

@@ -318,9 +318,8 @@ jobs:
         path: upload
     - name: Check status of combined status
       run: |
-        stat=$(jq '.["tests"][]["data"]["status"]' upload/tool_test_output.json | grep -v "success" || true)
-        if [[ "$(echo -n $stat | wc -l)" -gt "0" ]]; then
-            echo "Unsuccessful tests found $(sort <<<$stat | uniq -c)"
+        if jq '.["tests"][]["data"]["status"]' upload/tool_test_output.json | grep -v "success"; then
+            echo "Unsuccessful tests found, inspect the 'All tool test results' artifact for details."
             exit 1
         fi