http-backend test: make empty CONTENT_LENGTH test more realistic

diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index dc79df7b042b75ca192ff1a860eb0c22a9059a8e..9e7f96223dc2222c48b172711b4b469ff08190c8 100755 (executable)
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -1185,7 +1185,7 @@ test_expect_success PIPE 'N: empty directory reads as missing' '
        test_cmp expect.response response &&
        git rev-list read-empty |
        git diff-tree -r --root --stdin |
-       sed "s/$_x40/OBJNAME/g" >actual &&
+       sed "s/$OID_REGEX/OBJNAME/g" >actual &&
        test_cmp expect actual
 '
 
@@ -1271,7 +1271,7 @@ test_expect_success 'N: delete directory by copying' '
        git fast-import <input &&
        git rev-list N-delete |
                git diff-tree -r --stdin --root --always |
-               sed -e "s/$_x40/OBJID/g" >actual &&
+               sed -e "s/$OID_REGEX/OBJID/g" >actual &&
        test_cmp expect actual
 '
 
@@ -2602,7 +2602,7 @@ test_expect_success 'R: terminating "done" within commit' '
        EOF
        git rev-list done-ends |
        git diff-tree -r --stdin --root --always |
-       sed -e "s/$_x40/OBJID/g" >actual &&
+       sed -e "s/$OID_REGEX/OBJID/g" >actual &&
        test_cmp expect actual
 '