8144742: Instrument intermittently failing test GCDuringIteration.java

Reviewed-by: rriggs, martin
diff --git a/jdk/test/TEST.groups b/jdk/test/TEST.groups
index fcb5f56..0600a4c 100644
--- a/jdk/test/TEST.groups
+++ b/jdk/test/TEST.groups
@@ -30,6 +30,7 @@
     -java/lang/ProcessHandle/TreeTest.java \
     -java/util/zip/TestLocalTime.java \
     :jdk_util \
+    -java/util/WeakHashMap/GCDuringIteration.java \
     -java/util/concurrent/Phaser/Basic.java \
     sun/nio/cs/ISO8859x.java \
     java/nio/Buffer \
@@ -40,6 +41,7 @@
     java/lang/ProcessHandle/TreeTest.java \
     java/util/zip/TestLocalTime.java \
     java/util/concurrent/Phaser/Basic.java \
+    java/util/WeakHashMap/GCDuringIteration.java \
     :jdk_io \
     :jdk_nio \
     -sun/nio/cs/ISO8859x.java \