Remove reference to test.java file that was deleted

This was removed in

  commit 2cdc96c2
  Author: Claudio Bley <cbley@av-test.de>
  Date:   Wed Jan 22 16:45:14 2014 +0100

    tests: remove obsolete test driver

    JUnit is used for quite some time now, which supercedes the tests
    defined in the old "test" class.

Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>