[jdk17] RFR: 8268555: Update HttpClient tests that use ITestContext to jtreg 6+1

[Chris Hegarty]

On Thu, 10 Jun 2021 17:39:58 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

> Another change brought by jtreg 6+1 in the behavior of @BeforeMethod.
> Now throwing an exception in @BeforeMethod causes all annotated methods to be skipped, not just those annotated with @Test.
> 
> HttpClient tests that use @BeforeMethod and ITestContext need to be updated to work around the new behavior.
> 
> Rebased to jdk17 repo.

Marked as reviewed by chegar (Reviewer).

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PR: https://git.openjdk.java.net/jdk17/pull/5