[jdk23u] RFR: 8334442: Temporarily disable return type assertion to reduce noise in testing

[Matthias Baesken]

8334442: Temporarily disable return type assertion to reduce noise in testing

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Commit messages:
 - Backport 614b99a8f8360dc0a6a018f06fb336c6883f0f4a

Changes: https://git.openjdk.org/jdk23u/pull/146/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk23u&pr=146&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334442
  Stats: 10 lines in 1 file changed: 0 ins; 10 del; 0 mod
  Patch: https://git.openjdk.org/jdk23u/pull/146.diff
  Fetch: git fetch https://git.openjdk.org/jdk23u.git pull/146/head:pull/146

PR: https://git.openjdk.org/jdk23u/pull/146