RFR: 8351884: Refactor bug8033699.java test code [v5]

[Rajat Mahajan]

> Details:
> Refactored code as requested in the Bug description.
> 
> Tested and verified the test passes.

Rajat Mahajan has updated the pull request incrementally with one additional commit since the last revision:

  Update test/jdk/javax/swing/JRadioButton/8033699/bug8033699.java
  
  Co-authored-by: Alexey Ivanov <alexey.ivanov at oracle.com>

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/24384/files
  - new: https://git.openjdk.org/jdk/pull/24384/files/172d08f4..ca4b6739

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24384&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24384&range=03-04

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24384.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24384/head:pull/24384

PR: https://git.openjdk.org/jdk/pull/24384