[jdk19u] RFR: 8291640: java/beans/XMLDecoder/8028054/Task.java should use the 3-arg Class.forName

[Ao Qi]

I would like to backport this test fix. Low risk, only test changes. Clean backport. The changed tests passed.

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Commit messages:
 - Backport dedc05cb40617f7b7e2cc235528b1892dcba4cd3

Changes: https://git.openjdk.org/jdk19u/pull/15/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19u&pr=15&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8291640
  Stats: 5 lines in 3 files changed: 1 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk19u/pull/15.diff
  Fetch: git fetch https://git.openjdk.org/jdk19u pull/15/head:pull/15

PR: https://git.openjdk.org/jdk19u/pull/15