The system test SVGTest.testSVGRenderingWithPattern has a race condition which causes the test to fail intermittently.

javafx.scene.web.SVGTest > testSVGRenderingWithPattern FAILED
    java.lang.AssertionError: Color should be opaque red: expected:<0xff0000ff> but was:<0xffffffff>
        at org.junit.Assert.fail(Assert.java:91)
        at org.junit.Assert.failNotEquals(Assert.java:645)
        at org.junit.Assert.assertEquals(Assert.java:126)
        at test.javafx.scene.web.SVGTest.lambda$testSVGRenderingWithPattern$3(SVGTest.java:127)