t5607: reorder `nongit test_must_fail`

In the future, we plan on only allowing `test_must_fail` to work on a
restricted subset of commands, including `git`. Reorder the commands so
that `nongit` comes before `test_must_fail`. This way, `test_must_fail`
operates on a git command.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t5607-clone-bundle.sh

@@ -16,7 +16,7 @@ test_expect_success 'setup' '
 
 test_expect_success '"verify" needs a worktree' '
 	git bundle create tip.bundle -1 master &&
-	test_must_fail nongit git bundle verify ../tip.bundle 2>err &&
+	nongit test_must_fail git bundle verify ../tip.bundle 2>err &&
 	test_i18ngrep "need a repository" err
 '