bisect: use "bisect--helper" and remove "filter_skipped" function

diff --git a/t/t4122-apply-symlink-inside.sh b/t/t4122-apply-symlink-inside.sh
index 841773f75fc085d07836b39b3775f49bde5d8d19..8aad20bfccc09310e2663f6bdab046520ae43fa9 100755 (executable)
--- a/t/t4122-apply-symlink-inside.sh
+++ b/t/t4122-apply-symlink-inside.sh
@@ -3,6 +3,13 @@
 test_description='apply to deeper directory without getting fooled with symlink'
 . ./test-lib.sh
 
+if ! test_have_prereq SYMLINKS
+then
+       say 'Symbolic links not supported, skipping tests.'
+       test_done
+       exit
+fi
+
 lecho () {
        for l_
        do