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

Change-Id: Ic3873d05d15b40bbbac02eb1d221644a7aaa4c56
diff --git a/tests/functional/Voltha_StartContainerPODTests.robot b/tests/functional/Voltha_StartContainerPODTests.robot
index e4b429c..fd6e0c4 100755
--- a/tests/functional/Voltha_StartContainerPODTests.robot
+++ b/tests/functional/Voltha_StartContainerPODTests.robot
@@ -104,7 +104,7 @@
     ${list_sim_names}   Create List    sim-voltha-adapter-simulated-olt    sim-voltha-adapter-simulated-onu
     ${sim}    CreateDictionary    helmchart=sim    namespace=voltha
     ...    apps=${list_sim_apps}    names=${list_sim_names}
-    ${list_openolt_apps}   Create List    adapter-open-olt
+    ${list_openolt_apps}   Create List    ${OLT_ADAPTER_APP_LABEL}
     ${list_openolt_names}   Create List    open-olt-voltha-adapter-openolt
     ${open-olt}    CreateDictionary    helmchart=open-olt    namespace=voltha
     ...    apps=${list_openolt_apps}    names=${list_openolt_names}