--- old/test/hotspot/jtreg/gc/startup_warnings/TestShenandoah.java	2018-11-28 19:19:30.211250693 +0100
+++ new/test/hotspot/jtreg/gc/startup_warnings/TestShenandoah.java	2018-11-28 19:19:30.053251800 +0100
@@ -24,6 +24,7 @@
 /*
 * @test TestShenandoah
 * @key gc
+* @requires vm.gc.Shenandoah
 * @bug 8006398
 * @summary Test that the Shenandoah collector does not print a warning message
 * @library /test/lib