testing Graal on JDK 9

[Andrew Haley]

I get

aph at arm64:/nfs/zebedee/home/graal/clean/graal-core$ JVMCI_VERSION_CHECK=ignore mx -v --strict-compliance gate --strict-mode --tags test
...
project named com.oracle.mxtool.junit was not found:
  project com.oracle.mxtool.junit was removed as Java compliance 1.8 cannot be satisfied by configured JDKs

So I guess I can't run the compliance tests on JDK 9?

Andrew.