RFR: 8315609: Open source few more swing text/html tests [v2]

[Prasanta Sadhukhan]

> Few closed swing text/html tests are open sourced

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

  Spacing issue

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15607/files
  - new: https://git.openjdk.org/jdk/pull/15607/files/e1c145ce..67687f49

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15607&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15607&range=00-01

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15607.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15607/head:pull/15607

PR: https://git.openjdk.org/jdk/pull/15607