Add changes to extended/standby_bmc.robot

This commit adds changes to extended/standby_bmc.robot
to prevent AES fails on Delete Error Logs,Delete All Dumps.

Change-Id: Icd128da8233df7ff5b5412a4189298a3596fcdd4
Signed-off-by: Sunil M <sunilmam@us.ibm.com>
diff --git a/extended/standby_bmc.robot b/extended/standby_bmc.robot
index 34163c7..988b6d9 100644
--- a/extended/standby_bmc.robot
+++ b/extended/standby_bmc.robot
@@ -67,8 +67,8 @@
     #Run Keyword If  '${CLEANUP_DIR_PATH}' != '${EMPTY}' and ${rc} == 0
     #...  Cleanup Dir
 
-    Delete Error Logs
-    Delete All Dumps
+    Run Keyword And Ignore Error  Delete All Error Logs
+    Run Keyword And Ignore Error  Delete All Dumps
 
 *** Keywords ***