src/main/resources/SLING-INF/install/org.apache.sling.scripting.jsp.JspScriptEngineFactory.json

{
  "jcr:primaryType": "sling:OsgiConfig",
  "config.comment": "setup the JSP engine for running tests - this comes from the test-services bundle's initial content",
  "jasper.development": "true",
  "jasper.modificationTestInterval": "0"
}