completion: add comment for test_completion()

diff --git a/t/t6006-rev-list-format.sh b/t/t6006-rev-list-format.sh
index 244701e96e3ba6669dd52784245f58c6d23386f7..f94f0c48e6337f6bd718b4fc6859a52411e09326 100755 (executable)
--- a/t/t6006-rev-list-format.sh
+++ b/t/t6006-rev-list-format.sh
@@ -188,23 +188,23 @@ test_expect_success 'empty email' '
 
 test_expect_success 'del LF before empty (1)' '
        git show -s --pretty=format:"%s%n%-b%nThanks%n" HEAD^^ >actual &&
-       test $(wc -l <actual) = 2
+       test_line_count = 2 actual
 '
 
 test_expect_success 'del LF before empty (2)' '
        git show -s --pretty=format:"%s%n%-b%nThanks%n" HEAD >actual &&
-       test $(wc -l <actual) = 6 &&
+       test_line_count = 6 actual &&
        grep "^$" actual
 '
 
 test_expect_success 'add LF before non-empty (1)' '
        git show -s --pretty=format:"%s%+b%nThanks%n" HEAD^^ >actual &&
-       test $(wc -l <actual) = 2
+       test_line_count = 2 actual
 '
 
 test_expect_success 'add LF before non-empty (2)' '
        git show -s --pretty=format:"%s%+b%nThanks%n" HEAD >actual &&
-       test $(wc -l <actual) = 6 &&
+       test_line_count = 6 actual &&
        grep "^$" actual
 '
 
@@ -278,8 +278,9 @@ test_expect_success 'oneline with empty message' '
        git commit -m "dummy" --allow-empty &&
        git filter-branch --msg-filter "sed -e s/dummy//" HEAD^^.. &&
        git rev-list --oneline HEAD >test.txt &&
-       test $(git rev-list --oneline HEAD | wc -l) -eq 5 &&
-       test $(git rev-list --oneline --graph HEAD | wc -l) -eq 5
+       test_line_count = 5 test.txt &&
+       git rev-list --oneline --graph HEAD >testg.txt &&
+       test_line_count = 5 testg.txt
 '
 
 test_expect_success 'single-character name is parsed correctly' '