Try to get PR builds working

hooks/test

@@ -2,13 +2,13 @@
 
 . hooks/common
 
-if [ "${BUILD}" == "BRANCHES" ]; then
+# test 'branches' and 'this' (i.e. pull request) builds
+if [ "${BUILD}" == "branches" ] || [ "${BUILD}" == "this" ]; then
   echo "🐳🐳🐳 Testing"
   export DOCKER_TARGET="main"
 
-  docker-compose pull --parallel
-  docker-compose build
   docker-compose run netbox ./manage.py test
+  docker-compose down -v
 else
   echo "🐳🐳🐳 No tests are implemented for build '${BUILD}'."
 fi