Regression test development: JDK-8139764

[Andrey Rusakov]

Please look at my test for JDK-8157398 
<https://bugs.openjdk.java.net/browse/JDK-8157398>
Jira task: JDK-8158784
<https://bugs.openjdk.java.net/browse/JDK-8158784>Webrev: 
http://cr.openjdk.java.net/~arusakov/8158784/webrev.00/ 
<http://cr.openjdk.java.net/%7Earusakov/8158784/webrev.00/>
That test is applicable for both 8 and 9 openjfx tests.