@Override
  public OutputStream getOutputStream() throws FileSystemException {
    return requireResolvedFileObject().getOutputStream();
  }
@Test
  public void testDelegatesGetOutputStreamWithAppend() throws FileSystemException {
    OutputStream outputStream = mock( OutputStream.class );

    when( resolvedFileObject.getOutputStream( anyBoolean() ) ).thenReturn( outputStream );

    assertSame( outputStream, fileObject.getOutputStream( true ) );
  }