Unit test HTMLEditingTest.clipboardGetDataOnPaste fails with WebKit 614.1

When HTMLEditingTest is executed with webkit 614.1, clipboardGetDataOnPaste test fails with below error log:

HTMLEditingTest > clipboardGetDataOnPaste FAILED
    org.junit.ComparisonFailure: Source clipboard onpaste data expected:<[Clipboard text]Default> but was:<[]Default>
        at org.junit.Assert.assertEquals(Assert.java:117)
        at test.javafx.scene.web.HTMLEditingTest.lambda$clipboardGetDataOnPaste$0(HTMLEditingTest.java:76)