polling after provisioning olt device in robot test

Change-Id: If494e3815d3d298106be980a68acd8590b377ffd
diff --git a/tests/atests/robot/voltha_automated_test_suite.robot b/tests/atests/robot/voltha_automated_test_suite.robot
index ca0da45..aff8693 100755
--- a/tests/atests/robot/voltha_automated_test_suite.robot
+++ b/tests/atests/robot/voltha_automated_test_suite.robot
@@ -44,9 +44,9 @@
     PSet Log Dirs    ${LOG_DIR}
     Configure   ${OLT_IP_ADDR}    ${OLT_PORT_ID}
     Preprovision Olt
-    Query Devices Before Enable
+    Wait Until Keyword Succeeds    60s    2s    Query Devices Before Enable
     Enable
-    Query Devices After Enable
+    Wait Until Keyword Succeeds    60s    2s    Query Devices After Enable
 
 
 *** Keywords ***
@@ -58,6 +58,7 @@
     VSet Log Dirs  ${ROOT_DIR}    ${VOLTHA_DIR}    ${LOG_DIR}
     Stop Voltha
     Start All Pods
+    Sleep    60
     Collect Pod Logs
     Alter Onos NetCfg