Retry IPMI external command on failure

Change-Id: Ieec576c1b5471b460a38c6f860ed0c5ed8c0c80b
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/ipmi/test_ipmi_sol.robot b/ipmi/test_ipmi_sol.robot
index 6541d45..a9fdb82 100644
--- a/ipmi/test_ipmi_sol.robot
+++ b/ipmi/test_ipmi_sol.robot
@@ -272,4 +272,4 @@
     ${sol_log}=  Stop SOL Console Logging
     Log   ${sol_log}
     FFDC On Test Case Fail
-    Restore Default SOL Configuration
+    Wait Until Keyword Succeeds  15 sec  5 sec  Restore Default SOL Configuration