RFR: 8316447: 8 sun/management/jmxremote tests ignore VM flags [v2]

[Leonid Mesnik]

> Updated test to use createTesJvm.
> Removed internal timeout to not fail when Xcomp is used and also to get more info if the test times out.,
> 
> Tested by running tier1, hs-tier5 and executing test with various VM flags.

Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision:

  simplifed usage, removed classpath adding.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/16048/files
  - new: https://git.openjdk.org/jdk/pull/16048/files/b8ddc215..e78349a1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16048&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16048&range=00-01

  Stats: 15 lines in 7 files changed: 0 ins; 11 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/16048.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16048/head:pull/16048

PR: https://git.openjdk.org/jdk/pull/16048