hg: jdk/sandbox: 8246143: UnreferencedXXX tests fail when run with --illegal-access=deny

[chris.hegarty at oracle.com]

Changeset: bdc14b8d31ff
Author:    pconcannon
Date:      2020-06-12 09:48 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/bdc14b8d31ff

8246143: UnreferencedXXX tests fail when run with --illegal-access=deny
Summary: This patch updates the @modules tag with +open in the tests UnreferencedDatagramSockets and UnreferncedMulticastSockets in advance of the removal of --illegal-access to allow access to private member fields required by the tests.
Reviewed-by: alanb, dfuchs
Contributed-by: Conor Cleary <conor.cleary at oracle.com>

! test/jdk/java/net/DatagramSocket/UnreferencedDatagramSockets.java
! test/jdk/java/net/MulticastSocket/UnreferencedMulticastSockets.java