RFR: 8373869: Refactor java/net/httpclient/ThrowingPushPromises*.java tests to use JUnit5

[Jaikiran Pai]

On Wed, 17 Dec 2025 12:34:47 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

> These test used to use the testng IContextTest API to stop tests after the first failure.
> Usage of IContextTest has been replaced with a TestWatcher that records the first failure and uses Assumptions to prevent further test execution.
> 
> This is similar to what was done for the `java/net/httpclient/ThrowingPublishers*.java` tests in https://github.com/openjdk/jdk/pull/28846 and for `java/net/httpclient/ThrowingSubscribers*.java` in https://github.com/openjdk/jdk/pull/28865

This looks good to me.

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Marked as reviewed by jpai (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/28868#pullrequestreview-3591630533