javax/sound/midi/Sequencer/SetTickPosition.java fails intermittently:

----------System.out:(49/1134)----------
Getting Sequencer...got com.sun.media.sound.RealTimeSequencer@4ff296fa
Opening Sequencer...
theSequencer is open!

Creating New Sequence...
Adding Track To Sequence...
Length Of Sequence In Ticks: 1980
Sequence resolution: 120
Now Setting Tick Position To: 0
IsRunning()=true
Now Current Tick Position Is: 0

Now Setting Tick Position To: 198
IsRunning()=true
Now Current Tick Position Is: 198

Now Setting Tick Position To: 396
IsRunning()=true
Now Current Tick Position Is: 396

Now Setting Tick Position To: 594
IsRunning()=true
Now Current Tick Position Is: 594

Now Setting Tick Position To: 792
IsRunning()=true
Now Current Tick Position Is: 792

Now Setting Tick Position To: 990
IsRunning()=true
Now Current Tick Position Is: 990

Now Setting Tick Position To: 1188
IsRunning()=true
Now Current Tick Position Is: 1451

theCurrentTickPosition != theTickPosition!
Now Setting Tick Position To: 1386
IsRunning()=true
Now Current Tick Position Is: 1386

Now Setting Tick Position To: 1584
IsRunning()=true
Now Current Tick Position Is: 1584

Now Setting Tick Position To: 1782
IsRunning()=true
Now Current Tick Position Is: 1782

----------System.err:(13/759)----------
java.lang.Exception: Test FAILED
at SetTickPosition.main(SetTickPosition.java:136)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:844)

JavaTest Message: Test threw exception: java.lang.Exception: Test FAILED
JavaTest Message: shutting down test