RFR: 8284884: Replace polling with waiting in javax/swing/text/html/parser/Parser/8078268/bug8078268.java [v2]

[Sergey Bylokhov]

On Thu, 14 Apr 2022 20:36:19 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> A quick fix for the `javax/swing/text/html/parser/Parser/8078268/bug8078268.java` which replaces `Thread.sleep` in a loop with `CountDownLatch.await`.
>> 
>> The code is shorter and clearer.
>> 
>> The test fails on the builds without the fix for [JDK-8078268](https://bugs.openjdk.java.net/browse/JDK-8078268). I ran it in the CI and it passes.
>
> Alexey Ivanov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Simplify filename handling

Marked as reviewed by serb (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8252