RFR: 8297166: [TestBug] Fix some ignored unit test from TableViewTest

[Andy Goryachev]

Re-enabled some ignored tests.

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Commit messages:
 - 8297166: table view

Changes: https://git.openjdk.org/jfx/pull/952/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=952&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8297166
  Stats: 24 lines in 1 file changed: 8 ins; 0 del; 16 mod
  Patch: https://git.openjdk.org/jfx/pull/952.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/952/head:pull/952

PR: https://git.openjdk.org/jfx/pull/952