RFR: 8316104: Open source several Swing SplitPane and RadioButton related tests

[Abhishek Kumar]

On Fri, 15 Sep 2023 11:42:30 GMT, Tejesh R <tr at openjdk.org> wrote:

>> test/jdk/javax/swing/JRadioButton/bug4823809.java line 52:
>> 
>>> 50:             robot = new Robot();
>>> 51:             SwingUtilities.invokeAndWait(() -> {
>>> 52:                 frame = new JFrame();
>> 
>> Please add frame title.
>
> It wont be visible, no point in adding title.

I think to maintain consistency across tests we should add title. Many of the tests were not visible but still frame title added.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15738#discussion_r1327188893