[VOL-2951] Fix for DT workflow errors

Change-Id: Ib791e0cbc6df35e8cd8c8c7abc4643c76d2c8d56
diff --git a/tests/dt-workflow/Voltha_DT_PODTests.robot b/tests/dt-workflow/Voltha_DT_PODTests.robot
index 24a84bd..f55f34e 100644
--- a/tests/dt-workflow/Voltha_DT_PODTests.robot
+++ b/tests/dt-workflow/Voltha_DT_PODTests.robot
@@ -48,7 +48,7 @@
 ${of_id}          0
 ${logical_id}     0
 ${has_dataplane}    True
-${teardown_device}    False
+${teardown_device}    True
 ${scripts}        ../../scripts
 
 # Per-test logging on failure is turned off by default; set this variable to enable