RFR: 8339984: Open source AWT MenuItem related tests [v11]

[Abhishek Kumar]

> Few AWT MenuItem related tests are converted from applet to manual and moved to open.

Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:

  Test restructured and test frames set visible true

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21029/files
  - new: https://git.openjdk.org/jdk/pull/21029/files/4eb80036..ed39f24a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21029&range=10
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21029&range=09-10

  Stats: 23 lines in 1 file changed: 12 ins; 9 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/21029.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21029/head:pull/21029

PR: https://git.openjdk.org/jdk/pull/21029