RFR: 8282771 : Create test case for JDK-8262981

[lawrence.andrews]

Following methods are covered in this testcase
getAccessibleAction()
getAccessibleActionCount()
getAccessibleActionDescription()
doAccessibleAction(int direction) 

@shurymury

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Commit messages:
 - Fixed white issue
 - 8282771 : Create test case for JDK-8262981

Changes: https://git.openjdk.java.net/jdk/pull/7734/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7734&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282771
  Stats: 312 lines in 1 file changed: 312 ins; 0 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