RFR: 8327874: Convert javax/swing/JTree/4314199/bug4314199.java applet test to main [v2]

[Abhishek Kumar]

> Conversion of manual applet test to main based using PassFailJFrame manual framework

Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:

  Review comment update

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18215/files
  - new: https://git.openjdk.org/jdk/pull/18215/files/d8d6aaf0..b99be0aa

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18215&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18215&range=00-01

  Stats: 199 lines in 2 files changed: 99 ins; 100 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18215.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18215/head:pull/18215

PR: https://git.openjdk.org/jdk/pull/18215