https://bugs.openjdk.org/browse/JDK-8346324 was supposed to resolve failures of javax/swing/JScrollBar/4865918/bug4865918.java on Linux CI testing.
But it still occurs :

java.lang.RuntimeException: The scrollbar block increment is incorrect
at bug4865918.main(bug4865918.java:67)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1447)

JavaTest Message: Test threw exception: java.lang.RuntimeException: The scrollbar block increment is incorrect
JavaTest Message: shutting down test