Start Keycloak:
bin/standalone.sh
Open the Keycloak admin console, click on Add Realm, click on 'Choose a JSON file', selct example-realm.json and click Upload.
Deploy the JS Console to Keycloak by running:
mvn install wildfly:deploy
Open the console at http://localhost:8080/js-console and login with username: 'user', and password: 'password'.