CCM-15633: Make contract tests fail if event schemas are out of date

Author: gareth-allan

scripts/tests/contract.sh

@@ -4,7 +4,11 @@ set -euo pipefail
 
 cd "$(git rev-parse --show-toplevel)"
 
-# Ensure we have the latest schema package matching our version specifier
-npm update @nhsdigital/nhs-notify-event-schemas-status-published
+if [[ $(npm outdated @nhsdigital/nhs-notify-event-schemas-status-published) ]]; then
+    echo "The provider schema package (@nhsdigital/nhs-notify-event-schemas-status-published) is outdated."
+    echo "Please run \`npm update @nhsdigital/nhs-notify-event-schemas-status-published\` to update to the latest version and re-run."
+    echo
+    exit 1
+fi
 
 npm run test:contract