[Outreachy-Microproject][PATCH 1/1] t0000: replace an instant of test -f with test_path_is_file functions.

[Caleb Tillman <caleb.tillman@xxxxxxxxx>]

The test_path_is* functions provide debug-friendly messages upon failure.

Signed-off-by: Caleb Tillman <caleb.tillman@xxxxxxxxx>
--- Outrachy Microproject, revised submission
 t/t0000-basic.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index 923281af93..eb99892a87 100755
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -1191,7 +1191,7 @@ test_expect_success 'writing this tree with --missing-ok' '
 test_expect_success 'git read-tree followed by write-tree should be idempotent' '
 	rm -f .git/index &&
 	git read-tree $tree &&
-	test -f .git/index &&
+	test_path_is_file .git/index &&
 	newtree=$(git write-tree) &&
 	test "$newtree" = "$tree"
 '
-- 
2.25.1