Adding sync delay for IPMI user to delete and flush out cached data

Change-Id: I58253def35fdff66c3b5cf22186660fa725d0046
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/ipmi_client.robot b/lib/ipmi_client.robot
index 1fba459..d485af3 100755
--- a/lib/ipmi_client.robot
+++ b/lib/ipmi_client.robot
@@ -417,4 +417,5 @@
       ${user_info}=  Get User Info  ${userid}
       Run Keyword If  "${user_info['user_name']}" != ""
       ...  Run IPMI Standard Command  user set name ${userid} ""
+      Sleep  10s
     END