The test fails with the following output;

/home/artem/ws/jdk/jdk9_dev_mscapi/jdk/test/sun/security/krb5/auto/KDC.java:1162: error: package sun.security.krb5.internal.ccache is not visible
                sun.security.krb5.internal.ccache.Credentials credentials =
                                          ^
  (package sun.security.krb5.internal.ccache is declared in module java.security.jgss, which does not export it)
/home/artem/ws/jdk/jdk9_dev_mscapi/jdk/test/sun/security/krb5/auto/KDC.java:1163: error: package sun.security.krb5.internal.ccache is not visible
                    new sun.security.krb5.internal.ccache.Credentials(asRep);
                                                  ^
  (package sun.security.krb5.internal.ccache is declared in module java.security.jgss, which does not export it)


This looks like a test bug, probably the test needs some @module tags.