def helperUpdate(self, test_name, hpss_path, zstash_path=ZSTASH_PATH):
    '\n        Test `zstash update`.\n        '
    self.hpss_path = hpss_path
    use_hpss = self.setupDirs(test_name)
    self.create(use_hpss, zstash_path)
    print_starred('Running update on the newly created directory, nothing should happen')
    self.assertWorkspace()
    os.chdir(self.test_dir)
    cmd = '{}zstash update -v --hpss={}'.format(zstash_path, self.hpss_path)
    (output, err) = run_cmd(cmd)
    os.chdir(TOP_LEVEL)
    self.check_strings(cmd, (output + err), ['Nothing to update'], ['ERROR'])
Test `zstash update`.
def helperUpdate(self, test_name, hpss_path, zstash_path=ZSTASH_PATH):
    '\n        \n        '
    self.hpss_path = hpss_path
    use_hpss = self.setupDirs(test_name)
    self.create(use_hpss, zstash_path)
    print_starred('Running update on the newly created directory, nothing should happen')
    self.assertWorkspace()
    os.chdir(self.test_dir)
    cmd = '{}zstash update -v --hpss={}'.format(zstash_path, self.hpss_path)
    (output, err) = run_cmd(cmd)
    os.chdir(TOP_LEVEL)
    self.check_strings(cmd, (output + err), ['Nothing to update'], ['ERROR'])