test-lib: Make the test_external_* functions TAP-aware

diff --git a/t/t3101-ls-tree-dirname.sh b/t/t3101-ls-tree-dirname.sh
index 8be9fb411276e3c416374a813d691ff0455a8746..06654c6f82fb6cfe955b91bcbd4a5fa064c73e70 100755 (executable)
--- a/t/t3101-ls-tree-dirname.sh
+++ b/t/t3101-ls-tree-dirname.sh
@@ -39,8 +39,6 @@ test_expect_success \
      tree=`git write-tree` &&
      echo $tree'
 
-_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 test_output () {
     sed -e "s/ $_x40   / X     /" <current >check
     test_cmp expected check