test_cmp expect actual
'
-test_expect_success '--bisect and --first-parent can not be combined' '
- test_must_fail git rev-list --bisect --first-parent HEAD
+test_expect_success '--bisect and --first-parent can be combined' '
+ git rev-list --bisect --first-parent HEAD
'
test_expect_success '--header shows a NUL after each commit' '