RFR: 8314828: Mark 3 jcmd command-line options test as vm.flagless

[Chris Plummer]

On Wed, 23 Aug 2023 22:58:05 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> Mark 3 tests as flagless to don't run them if not needed. Also, small clean up.

Is this proper use of `vm.flagless`? From existing uses, it seems to be actually specifying a real requirement. In other words, the test may not run properly if flags are specified. I can understand wanting to reduce test repetition in CI, but this also results in the test not being run in cases where the user decides to specify a flag, and still expects these tests to be run.

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PR Comment: https://git.openjdk.org/jdk/pull/15407#issuecomment-1692440372