Test debug output

Author: namedgraph

http-tests/admin/packages/install-package-stylesheet.sh

@@ -22,8 +22,11 @@ install_status=$(curl -k -w "%{http_code}\n" -o /dev/null -f -s \
 echo "Install status: $install_status (expected: $STATUS_SEE_OTHER)"
 echo "$install_status" | grep -q "$STATUS_SEE_OTHER"
 
-echo "### STEP 2.5: Verifying stylesheet file exists"
-docker compose exec linkeddatahub ls -l webapps/ROOT/static/com/linkeddatahub/packages/skos
+# Verify stylesheet file exists in Tomcat's webapps directory
+docker compose exec -T linkeddatahub ls -l webapps/ROOT/static/com/linkeddatahub/packages/skos
+
+# Make internal request from nginx to Tomcat to warm up static file cache
+docker compose exec -T nginx curl -s -o /dev/null http://linkeddatahub:7070/static/com/linkeddatahub/packages/skos/layout.xsl
 
 # verify package stylesheet was installed (should return 200)
 echo "### STEP 3: Verifying package stylesheet exists"