RFR: 8371366: java/net/httpclient/whitebox/RawChannelTestDriver.java fails intermittently in jtreg timeout [v6]

[Daniel Fuchs]

> Nothing looks wrong with the test or the code. The failure happens rarely - probably when the machine is under load: this test tries to saturate the socket buffers and is resource consuming.
> 
> The proposed fix is just to double the jtreg timeout for this test from 120 to 240.

Daniel Fuchs has updated the pull request incrementally with one additional commit since the last revision:

  Update test/jdk/java/net/httpclient/whitebox/java.net.http/jdk/internal/net/http/RawChannelTest.java
  
  Co-authored-by: Daniel Jelinski <djelinski1 at gmail.com>

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28178/files
  - new: https://git.openjdk.org/jdk/pull/28178/files/f9b48b19..5547d88b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28178&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28178&range=04-05

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/28178.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28178/head:pull/28178

PR: https://git.openjdk.org/jdk/pull/28178