RFR: 8306575: Clean up and open source four Dialog related tests [v2]

[Sergey Bylokhov]

On Sat, 22 Apr 2023 00:21:06 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

>> Cleaned up and stabilized four Dialog-related tests.
>
> Alexander Zuev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Added couple of empty lines to make code nore readable.

test/jdk/java/awt/Dialog/DialogLocationTest.java line 175:

> 173:             test.start();
> 174:         } finally {
> 175:             EventQueue.invokeLater(() -> {

invokeLater may not be executed before the test stops by the jtreg, EDT could be killed at that point. It is better to use invokeAndWait or somehow make sure it will ends.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/13592#discussion_r1175658476