fix test for Radius execution

Change-Id: Iaf89b1498f8501a163f20e0c51e8d1ed56c0173c
diff --git a/tests/functional/Voltha_PODTests.robot b/tests/functional/Voltha_PODTests.robot
index e2bf9b1..7bd22e8 100644
--- a/tests/functional/Voltha_PODTests.robot
+++ b/tests/functional/Voltha_PODTests.robot
@@ -57,7 +57,7 @@
     ...    Validate successful authentication/DHCP/E2E ping for the tech profile that is used
     [Tags]    sanity    test1
     #[Setup]    Clean Up Linux
-    [Teardown]    NONE
+    #[Teardown]    NONE
     ${of_id}=    Wait Until Keyword Succeeds    ${timeout}    15s    Validate OLT Device in ONOS    ${olt_serial_number}
     Set Global Variable    ${of_id}