FYI: 8243112: Skip failing test SVGTest.testSVGRenderingWithPattern

[Arun Joseph]

SVGTest.testSVGRenderingWithPattern is failing frequently due to
[JDK-8243110](https://bugs.openjdk.java.net/browse/JDK-8243110). We should skip this test until it is fixed.

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Commit messages:
 - 8243112: Skip failing test SVGTest.testSVGRenderingWithPattern

Changes: https://git.openjdk.java.net/jfx/pull/188/files
 Webrev: https://webrevs.openjdk.java.net/jfx/188/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8243112
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jfx/pull/188.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/188/head:pull/188

PR: https://git.openjdk.java.net/jfx/pull/188