test_cmp expected actual
'
+test_expect_success 'prune: handle expire option correctly' '
+ test_must_fail git prune --expire 2>error &&
+ test_i18ngrep "requires a value" error &&
+
+ test_must_fail git prune --expire=nyah 2>error &&
+ test_i18ngrep "malformed expiration" error &&
+
+ git prune --no-expire
+'
+
test_done