Automation fix for VMI sub-menu

Changes:
    - Modified "Suite Setup Execution" keyword

Tested:
    - Ran successfully test_vmi.robot

Change-Id: I63c6ae7d30f36cacd32f4ce9aec431207a014999
Signed-off-by: Megha G N <Megha.G.N@ibm.com>
diff --git a/openpower/ext_interfaces/test_vmi.robot b/openpower/ext_interfaces/test_vmi.robot
index dbc41d8..b1a0092 100644
--- a/openpower/ext_interfaces/test_vmi.robot
+++ b/openpower/ext_interfaces/test_vmi.robot
@@ -478,6 +478,12 @@
 
     Redfish.Login
     Redfish Power On
+
+    # Check whether OS is up and working fine.
+    Wait Until Keyword Succeeds  15 min  1 sec  Is Boot Progress At Required State  OSRunning
+
+    Wait Until Keyword Succeeds  15 min  1 sec  OS Execute Command  uname
+
     ${active_channel_config}=  Get Active Channel Config
     Set Suite Variable   ${active_channel_config}
     Set Suite Variable  ${ethernet_interface}  ${active_channel_config['${CHANNEL_NUMBER}']['name']}