RFR: 8282771 : Create test case for JDK-8262981 [v3]

[lawrence.andrews]

> Following methods are covered in this testcase
> getAccessibleAction()
> getAccessibleActionCount()
> doAccessibleAction(int direction) 
> 
> @shurymury

lawrence.andrews has updated the pull request incrementally with one additional commit since the last revision:

  Fixed review comments

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7734/files
  - new: https://git.openjdk.java.net/jdk/pull/7734/files/5caf9a3b..d0fb58df

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7734&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7734&range=01-02

  Stats: 598 lines in 2 files changed: 286 ins; 312 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7734.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7734/head:pull/7734

PR: https://git.openjdk.java.net/jdk/pull/7734