RFR: 8352685: Opensource JInternalFrame tests - series2 [v2]

[Prasanta Sadhukhan]

> Few JInternalFrame tests are opensourced

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

  Add PL entry

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/24285/files
  - new: https://git.openjdk.org/jdk/pull/24285/files/630158d8..681f108d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24285&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24285&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24285.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24285/head:pull/24285

PR: https://git.openjdk.org/jdk/pull/24285