Branch b1_6

b=15283
r=walter

use "get_param version" instead of "lustre_build_version"

lustre/tests/test-framework.sh

@@ -1333,7 +1333,7 @@ nodes_list () {
 
 is_patchless ()
 {
-    lctl lustre_build_version | grep -q patchless
+    lctl get_param version | grep -q patchless
 }
 
 check_runas_id_ret() {