def METHOD_NAME(self):
    pkg = 'test_getdata_filesys'
    # Include a LF and a CRLF, to test that binary data is read back
    RESOURCE_DATA = 'Hello, world!\nSecond line\r\nThird line'
    # Make a package with some resources
    package_dir = os.path.join(self.dirname, pkg)
    os.mkdir(package_dir)
    # Empty init.py
    f = open(os.path.join(package_dir, '__init__.py'), "wb")
    f.close()
    # Resource files, res.txt, sub/res.txt
    f = open(os.path.join(package_dir, 'res.txt'), "wb")
    f.write(RESOURCE_DATA)
    f.close()
    os.mkdir(os.path.join(package_dir, 'sub'))
    f = open(os.path.join(package_dir, 'sub', 'res.txt'), "wb")
    f.write(RESOURCE_DATA)
    f.close()
    # Check we can read the resources
    res1 = pkgutil.get_data(pkg, 'res.txt')
    self.assertEqual(res1, RESOURCE_DATA)
    res2 = pkgutil.get_data(pkg, 'sub/res.txt')
    self.assertEqual(res2, RESOURCE_DATA)
    del sys.modules[pkg]