Re: [PATCH 09/10] tests: change "mkdir -p && write_script" to use "test_hook"

Ævar Arnfjörð Bjarmason  [off-list ref] writes:

Change tests that used a "mkdir -p .git/hooks && write_script" pattern

Hmph, it is a bit sad that "mkdir -p" weren't removed as part of
an earlier [03/10].

The end result looked sensible.