The test needs to be revised.

Execute the test with below command line:

jtreg -jdk:/jdk9_latest -verbose:all -javaoptions:"--limit-modules java.base,java.security.jgss,jdk.security.auth" /jdk9-dev/jdk/test/sun/security/krb5/auto/Basic.java

cut from logs:
command: main --limit-modules java.security.jgss,jdk.security.auth Basic java.security.jgss
reason: User specified action: run main/othervm --limit-modules java.security.jgss,jdk.security.auth Basic java.security.jgss
Mode: othervm [/othervm specified]

STDERR:
java.lang.Exception: Expected: java.security.jgss. Actual: jdk.security.jgss
        at Basic.main(Basic.java:70)
        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:547)
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:110)
        at java.base/java.lang.Thread.run(Thread.java:844)