@Override
  public boolean isHidden() throws FileSystemException {
    return resolvedFileObject.isHidden();
  }
@Test
  public void testDelegatesIsHidden() throws FileSystemException {
    when( resolvedFileObject.isHidden() ).thenReturn( true );

    assertTrue( fileObject.isHidden() );

    when( resolvedFileObject.isHidden() ).thenReturn( false );

    assertFalse( fileObject.isHidden() );

    verify( resolvedFileObject, times( 2 ) ).isHidden();
  }