[VOL-3717] Allowing to pass the olt type via pod-configs yaml file

Change-Id: Ic3873d05d15b40bbbac02eb1d221644a7aaa4c56
diff --git a/tests/functional/Voltha_multipleOLTTests.robot b/tests/functional/Voltha_multipleOLTTests.robot
index 831afc1..ed59324 100755
--- a/tests/functional/Voltha_multipleOLTTests.robot
+++ b/tests/functional/Voltha_multipleOLTTests.robot
@@ -112,7 +112,7 @@
     Set Suite Variable    ${k8s_node_ip}
     Set Suite Variable    ${k8s_node_user}
     Set Suite Variable    ${k8s_node_pass}
-    @{container_list}=    Create List    adapter-open-olt    adapter-open-onu    voltha-api-server
+    @{container_list}=    Create List    ${OLT_ADAPTER_APP_LABEL}    adapter-open-onu    voltha-api-server
     ...    voltha-ro-core    voltha-rw-core-11    voltha-rw-core-12    voltha-ofagent
     Set Suite Variable    ${container_list}
     ${datetime}=    Get Current Date
@@ -131,7 +131,9 @@
     Should Not Be Equal As Integers    ${num_bbsims}    0
     Run Keyword Unless    ${has_dataplane}    Set Suite Variable    ${num_olts}    ${num_bbsims}
     FOR    ${I}    IN RANGE    0    ${num_olts}
-        ${olt_device_id}=    Create Device    ${list_olts}[${I}][ip]    ${OLT_PORT}
+        ${olt_device_id}=    Run Keyword If    "${list_olts}[${I}][type]" == "${None}"
+        ...    Create Device    ${list_olts}[${I}][ip]    ${OLT_PORT}
+        ...    ELSE    Create Device    ${list_olts}[${I}][ip]    ${OLT_PORT}    ${list_olts}[${I}][type]
         Set Suite Variable    ${olt_device_id}
         #validate olt states
         Wait Until Keyword Succeeds    ${timeout}    5s    Validate OLT Device    PREPROVISIONED    UNKNOWN    UNKNOWN