mkdirat test by Yi CDL Yang
diff --git a/runtest/syscalls b/runtest/syscalls
index 7167bc1..95a2357 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -367,6 +367,9 @@
 mkdir08 mkdir08
 mkdir09 mkdir09
 
+#mkdirat test cases
+mkdirat01 mkdir01
+
 mknod01 mknod01
 mknod02 mknod02
 mknod03 mknod03