RFR: 8315611: Open source swing text/html and tree test [v2]

[Prasanta Sadhukhan]

> Few closed swing text/html and tree tests are opensourced

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  Spacing

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15608/files
  - new: https://git.openjdk.org/jdk/pull/15608/files/478c07c7..34a6d7a2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15608&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15608&range=00-01

  Stats: 3 lines in 2 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/15608.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15608/head:pull/15608

PR: https://git.openjdk.org/jdk/pull/15608