RFR: 8315606: Open source few swing text/html tests [v3]

[Prasanta Sadhukhan]

> Few closed swing text/html tests are opensourced

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

  Spacing,indent

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15580/files
  - new: https://git.openjdk.org/jdk/pull/15580/files/2b531b0b..88c38ba7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15580&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15580&range=01-02

  Stats: 9 lines in 2 files changed: 1 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/15580.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15580/head:pull/15580

PR: https://git.openjdk.org/jdk/pull/15580