[RFR] [openjfx13] JDK-8224016: Intermittent test failure in SVGTest on Linux

[Arunprasad Rajkumar]

Hi Kevin,

Please review the following PR which fixes a test bug,

https://github.com/javafxports/openjdk-jfx/pull/476

https://bugs.openjdk.java.net/browse/JDK-8224016

Thanks,
Arun