RFR: 8316146: Open some swing tests 4 [v8]

[Alisen Chung]

> Opening closed tests:
> 12 javax/swing/ToolTipManager/5078214/bug5078214.java
> 13 javax/swing/plaf/basic/BasicMenuItemUI/4239714/bug4239714.java
> 14 javax/swing/plaf/basic/BasicMenuUI/4244616/bug4244616.java
> 15 javax/swing/plaf/metal/4306431/bug4306431.java

Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:

  remove jrobot replace with robot

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/15875/files
  - new: https://git.openjdk.org/jdk/pull/15875/files/a650890e..92ac36be

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15875&range=07
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15875&range=06-07

  Stats: 4 lines in 1 file changed: 1 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15875.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15875/head:pull/15875

PR: https://git.openjdk.org/jdk/pull/15875