new symlinkat test from Yi CDL Yang
diff --git a/runtest/syscalls b/runtest/syscalls
index 622dd5a..bb348c9 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -839,6 +839,9 @@
 symlink04 symlink04
 symlink05 symlink05
 
+#symlinkat test cases
+symlinkat01 symlinkat01
+
 sync01 sync01
 sync02 sync02