mvn test almost working but tests all breaking on :
Caused by: java.lang.ClassCastException: com.oracle.graal.hotspot.hsail.HSAILHotSpotLIRGenerator cannot be cast to com.oracle.graal.hotspot.HotSpotLIRGenerator
 at com.oracle.graal.hotspot.nodes.PrefetchAllocateNode.generate (PrefetchAllocateNode.java:46)
??
lose stream stuff - we are now talking direct to Okra
allow a maven compilation WITHOUT okra - used for laptop and initial CI build.
getting a maven build to wirk WITH okra seems really hard :-( - no idea why - will come back to it soon