git: openjdk/jdk11u-dev: 8311585: Add JRadioButtonMenuItem to bug8031573.java

[Andrew Lu]

Changeset: e3b6c508
Author:    Andrew Lu <andrewlu at openjdk.org>
Date:      2024-01-05 08:04:53 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/e3b6c5085ca37e581ebd0ddcd4c4de41eb348cb1

8311585: Add JRadioButtonMenuItem to bug8031573.java

Backport-of: 4f90abaf17716493bad740dcef76d49f16d69379

! test/jdk/javax/swing/JMenuItem/8031573/bug8031573.java