8031530: [TESTBUG] Enable test runtime/LoadClass/LoadClassNegative.java Summary: Re-enabled the test. The issue that prevents this test from running was fixed by 8020675 Reviewed-by: sla, ccheung

// A simple interface, to allow an unknown foreign call from a class
// loaded with LOADER1 to a class loaded with LOADER2.
public interface IFace {
  public many_loader[] gen();
}