[VOL-2843] fix failure for auth issue in test

Change-Id: Ib741c1f455bbdfb3a94940b98b0596e68568c300
(cherry picked from commit 91537c815be7294e9436f03525214780ef58c6ee)
diff --git a/tests/functional/Voltha_FailureScenarios.robot b/tests/functional/Voltha_FailureScenarios.robot
index e9dcd04..378a6cc 100644
--- a/tests/functional/Voltha_FailureScenarios.robot
+++ b/tests/functional/Voltha_FailureScenarios.robot
@@ -305,7 +305,7 @@
     ...          AND             Announce Message    END TEST OltAdapterRestart
     # Add OLT and perform sanity test
     #setup
-    #Run Keyword If    ${has_dataplane}    Clean Up Linux
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
     #Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Test
     Set Global Variable    ${of_id}