RFR: 8280948: [TESTBUG] Write a regression test for JDK-4659800 [v2]

[Manukumar V S]

> Write a regression test for JDK-4659800.
> This test checks whether typing 'Space' key generates ActionEvent on focused Button or not, in all Look And Feels in all platforms.
> This test is run 10 times per platform(mac,linux,windows) and it passed all the times(30/30).

Manukumar V S has updated the pull request incrementally with one additional commit since the last revision:

  8280948: [TESTBUG] Write a regression test for JDK-4659800

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7296/files
  - new: https://git.openjdk.java.net/jdk/pull/7296/files/603098f6..47d5eeef

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7296&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7296&range=00-01

  Stats: 267 lines in 2 files changed: 120 ins; 147 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7296.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7296/head:pull/7296

PR: https://git.openjdk.java.net/jdk/pull/7296