RFR: 8353320: Open source more Swing text tests [v2]

[Phil Race]

> Swing text related tests being moved to open source.

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8353320

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24365/files
  - new: https://git.openjdk.org/jdk/pull/24365/files/cccd3959..9d540f04

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24365&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24365&range=00-01

  Stats: 5 lines in 4 files changed: 2 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/24365.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24365/head:pull/24365

PR: https://git.openjdk.org/jdk/pull/24365