RFR: 8319555: [TestBug] Utility for creating instruction window for manual tests [v4]

[Andy Goryachev]

On Mon, 8 Apr 2024 22:15:04 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Andy Goryachev has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - works
>>  - .
>
> tests/manual/text/EmojiTest.java line 34:
> 
>> 32: import com.oracle.util.testing.ManualTestWindow;
>> 33: 
>> 34: public class EmojiTest {
> 
> Our existing manual tests all extend `Application`. Is there a reason this has to change? Absent a compelling reason, I'd prefer to not require test apps to stop extending Application in order to use this utility.

Everything, including creating an instance of Application, is taken care of by the `ManualTestWindow`.  This simplifies the test code greatly.

What is the reason that the test must extend `Application`?

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PR Review Comment: https://git.openjdk.org/jfx/pull/1413#discussion_r1556489482