@Override
  public InputStream getInputStream() throws FileSystemException {
    return requireResolvedFileObject().getInputStream();
  }
@Test
  public void testDelegatesGetInputStream() throws FileSystemException {
    InputStream inputStream = mock( InputStream.class );

    when( resolvedFileObject.getInputStream() ).thenReturn( inputStream );

    assertSame( inputStream, fileObject.getInputStream() );
  }