[VOL-3289] Fix tags

Change-Id: I91a6264b33d6ccf0d3117ff6acb576d5704770c0
diff --git a/tests/dt-workflow/Voltha_DT_PODTests.robot b/tests/dt-workflow/Voltha_DT_PODTests.robot
index e542352..ba7e395 100644
--- a/tests/dt-workflow/Voltha_DT_PODTests.robot
+++ b/tests/dt-workflow/Voltha_DT_PODTests.robot
@@ -66,7 +66,7 @@
     [Documentation]   This test reboots ONUs physically before execution all the tests
     ...    Test case runs only on the PODs that are configured with PowerSwitch that
     ...    controls the power off/on ONUs/OLT remotely (simulating a physical reboot)
-    [Tags]    functional   PowerSwitch    RebootAllDTONUs
+    [Tags]    functionalDt   PowerSwitch    RebootAllDTONUs
     [Setup]    Start Logging    RebootAllDTONUs
     [Teardown]    Run Keywords    Collect Logs
     ...           AND             Stop Logging    RebootAllDTONUs