RFR: 8352687: Opensource few JInternalFrame and JTextField tests [v2]

[Prasanta Sadhukhan]

> Few JInternalFrame and JTextField tests are opensourced

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

  Fix

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24474/files
  - new: https://git.openjdk.org/jdk/pull/24474/files/5229902e..68c72c3b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24474&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24474&range=00-01

  Stats: 14 lines in 4 files changed: 1 ins; 8 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/24474.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24474/head:pull/24474

PR: https://git.openjdk.org/jdk/pull/24474