Create a test or [JDK-4715503](https://bugs.openjdk.java.net/browse/JDK-4715503)
The getAccessibleContext method for JTable column header cells returns an AccessibleContext which cannot get the Bounding Rectangle for table header cells. The Bug causes problems with screen reader review mode. The test added verifies that the are not exceptions and Bounding rectangles are returned for the Accessible Table Header Cells. This review is for migrating tests from a closed test suite to open. ------------- Commit messages: - 8283087: Create a test or JDK-4715503 Changes: https://git.openjdk.java.net/jdk/pull/7807/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7807&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8283087 Stats: 83 lines in 1 file changed: 83 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jdk/pull/7807.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7807/head:pull/7807 PR: https://git.openjdk.java.net/jdk/pull/7807