[PATCH v5 05/23] mktag tests: use "test_commit" helper

Replace ad-hoc setup of a single commit in the "mktag" tests with our
standard helper pattern. The old setup dated back to 446c6faec69 (New
tests and en-passant modifications to mktag., 2006-07-29) before the
helper existed.

Signed-off-by: Ævar Arnfjörð Bjarmason <redacted>
---
 t/t3800-mktag.sh | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/t/t3800-mktag.sh b/t/t3800-mktag.sh
index 0e411e3c45f..dd21a1247a2 100755
--- a/t/t3800-mktag.sh
+++ b/t/t3800-mktag.sh

@@ -23,9 +23,7 @@ check_verify_failure () {
 # first create a commit, so we have a valid object/type
 # for the tag.
 test_expect_success 'setup' '
-	echo Hello >A &&
-	git update-index --add A &&
-	git commit -m "Initial commit" &&
+	test_commit A &&
 	head=$(git rev-parse --verify HEAD)
 '
 

-- 
2.29.2.222.g5d2a92d10f8