RFR: 8321124: java/util/stream/GatherersTest.java times out

Fri Dec 1 17:06:30 UTC 2023

Renames GatherersTest to BuiltInGatherersTest for easier deduplication of GathererTest.

Fixes a test ordering issue in testMapConcurrentAPIandContract().

Adding increased maxOutputSize for Gatherer-related tests to improve debuggability.

Lowering the composition threshold of GathererTest.testMassivelyComposedGatherers to 256 to avoid SOE on low-specc:ed machines.

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Commit messages:
 - Stabilization of GatherersTest and renaming it

Changes: https://git.openjdk.org/jdk/pull/16928/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16928&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8321124
  Stats: 761 lines in 5 files changed: 391 ins; 369 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/16928.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16928/head:pull/16928

PR: https://git.openjdk.org/jdk/pull/16928