RFR: 8268298: jdk/jfr/api/consumer/log/TestVerbosity.java fails: unexpected log message

[Denghui Dong]

Hi,

Could I have a review of this small test fix that disables `jdk.ExecutionSample` when run TestVerbosity with arg `debug` to prevent unexpected `method1`.

Regards,
Denghui

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Commit messages:
 - 8268298: jdk/jfr/api/consumer/log/TestVerbosity.java fails: unexpected log message

Changes: https://git.openjdk.java.net/jdk/pull/4631/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4631&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268298
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4631.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4631/head:pull/4631

PR: https://git.openjdk.java.net/jdk/pull/4631