RFR: 8353227: JFR: Prepare tests for strong parser validation [v2]

[Markus Grönlund]

> Greetings,
> 
> Tests:
> 
> - jdk/jfr/jvm/TestDumpOnCrash.java
> - jdk/jfr/event/runtime/TestShutdownEvent.java
> 
> Cannot run with -esa in combination with [JDK-8351698](https://bugs.openjdk.org/browse/JDK-8351698), because parser invariants are not guaranteed for emergency dumps, which are provided on a best-effort basis only.
> 
> Testing: jdk_jfr
> 
> Thanks
> Markus

Markus Grönlund has updated the pull request incrementally with one additional commit since the last revision:

  include also stream TestJVMCrash.java

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/24317/files
  - new: https://git.openjdk.org/jdk/pull/24317/files/a36ee311..7937b3dc

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24317&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24317&range=00-01

  Stats: 19 lines in 1 file changed: 19 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24317.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24317/head:pull/24317

PR: https://git.openjdk.org/jdk/pull/24317