RFR: 8341997: Tests create files in src tree instead of scratch dir [v2]

[Brian Burkhalter]

> Change property `test.src` to `test.dir`.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8341997: Replace test.dir property with CWD

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21503/files
  - new: https://git.openjdk.org/jdk/pull/21503/files/2216404d..0f2af647

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21503&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21503&range=00-01

  Stats: 3 lines in 3 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/21503.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21503/head:pull/21503

PR: https://git.openjdk.org/jdk/pull/21503