Updated voltha components software upgrade tests with static sleeps between operations

Change-Id: Id2906a1b6b06a12bee42cf24b77e97ef23d21225
diff --git a/tests/software-upgrades/Voltha_ComponentsUpgrade.robot b/tests/software-upgrades/Voltha_ComponentsUpgrade.robot
index 1058f0b..2948395 100755
--- a/tests/software-upgrades/Voltha_ComponentsUpgrade.robot
+++ b/tests/software-upgrades/Voltha_ComponentsUpgrade.robot
@@ -107,6 +107,8 @@
         ...    ${NAMESPACE}    app    ${label}
         Log    ${label}: image, app ver & helm chart after upgrade: ${pod_image_1}, ${app_ver_1} & ${helm_chart_1}
         Restart VOLTHA Port Forward     voltha-api
+        # Static sleep to let voltctl tcp connection establish
+        Sleep    5s
         Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Test     ${suppressaddsubscriber}
     END
     ${podStatusOutput}=    Run    kubectl get pods -n ${NAMESPACE}
@@ -182,7 +184,7 @@
         Wait Until Keyword Succeeds    ${timeout}    15s    Deploy Pod New Image    ${NAMESPACE}    ${deployment}
         ...    ${container}    ${image}
         # Static sleep to let image-update progress before initiating subscriber-add system-operation
-        Sleep    2s
+        Sleep    10s
         Provision Subscribers
         Wait Until Keyword Succeeds    ${timeout}    3s    Validate Pods Status By Label    ${NAMESPACE}
         ...    app    ${label}    Running