completion: add comment for test_completion()

diff --git a/t/t5710-info-alternate.sh b/t/t5710-info-alternate.sh
index ef7127c1b3943a494692ac8027ec321608a31b9c..aa045295dec5af9dedc25495668d4afd6022d2cd 100755 (executable)
--- a/t/t5710-info-alternate.sh
+++ b/t/t5710-info-alternate.sh
@@ -18,7 +18,7 @@ reachable_via() {
 
 test_valid_repo() {
        git fsck --full > fsck.log &&
-       test `wc -l < fsck.log` = 0
+       test_line_count = 0 fsck.log
 }
 
 base_dir=`pwd`