RFR: 8305709: [testbug] Tree/TableViewResizeColumnToFitContentTest fails with fractional screen scale

[Andy Goryachev]

Skipping the test until [JDK-8299753](https://bugs.openjdk.org/browse/JDK-8299753) is implemented.

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Commit messages:
 - 8305709: skip when fractional scale

Changes: https://git.openjdk.org/jfx/pull/1102/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1102&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8305709
  Stats: 41 lines in 3 files changed: 20 ins; 9 del; 12 mod
  Patch: https://git.openjdk.org/jfx/pull/1102.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1102/head:pull/1102

PR: https://git.openjdk.org/jfx/pull/1102