def METHOD_NAME(self):
    mkpath(self.target, verbose=0)
    a_file = os.path.join(self.target, 'ok.txt')
    nfs_file = os.path.join(self.target, '.nfs123abc')
    for f in a_file, nfs_file:
        fh = open(f, 'w')
        try:
            fh.write('some content')
        finally:
            fh.close()
    copy_tree(self.target, self.target2)
    self.assertEqual(os.listdir(self.target2), ['ok.txt'])
    remove_tree(self.root_target, verbose=0)
    remove_tree(self.target2, verbose=0)