--- old/test/jdk/jdk/jfr/api/flightrecorder/TestListenerNull.java	2018-07-19 08:10:37.491127000 +0200
+++ new/test/jdk/jdk/jfr/api/flightrecorder/TestListenerNull.java	2018-07-19 08:10:36.032093000 +0200
@@ -29,9 +29,10 @@
 
 import jdk.jfr.FlightRecorder;
 
-/*
+/**
  * @test
  * @key jfr
+ * @requires vm.hasJFR
  * @library /test/lib
  * @run main/othervm jdk.jfr.api.flightrecorder.TestListenerNull
  */