RFR: 8293099: JFR: Typo in TestRemoteDump.java

[Erik Gahlin]

Could I have a review of this test fix.

Testing: jdk/jdk/jfr/jmx/TestRemoteDump.java

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.org/jdk/pull/10509/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10509&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293099
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/10509.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10509/head:pull/10509

PR: https://git.openjdk.org/jdk/pull/10509