[VOL-4267] Marked voltha comp restart scenarios while continuous ping in background for DT as non-critical

Change-Id: Ieeaa2a55c467890e8ca50d7bb0e00af2c2ec35b2
diff --git a/tests/dt-workflow/Voltha_DT_FailureScenarios.robot b/tests/dt-workflow/Voltha_DT_FailureScenarios.robot
index 9f0c04f..6020929 100755
--- a/tests/dt-workflow/Voltha_DT_FailureScenarios.robot
+++ b/tests/dt-workflow/Voltha_DT_FailureScenarios.robot
@@ -562,7 +562,7 @@
     [Documentation]    Restart openonu-adapter container after VOLTHA is operational.
     ...    Run the ping continuously in background during container restart,
     ...    and verify that there should be no affect on the dataplane.
-    [Tags]    functionalDt   RestartOpenOnuPingDt
+    [Tags]    functionalDt   RestartOpenOnuPingDt    non-critical
     [Setup]    Start Logging    RestartOpenOnuPingDt
     [Teardown]    Run Keywords    Run Keyword If    ${logging}    Collect Logs
     ...           AND             Stop Logging    RestartOpenOnuPingDt
@@ -611,7 +611,7 @@
     [Documentation]    Restart openolt-adapter container after VOLTHA is operational.
     ...    Run the ping continuously in background during container restart,
     ...    and verify that there should be no affect on the dataplane.
-    [Tags]    functionalDt   RestartOpenOltPingDt
+    [Tags]    functionalDt   RestartOpenOltPingDt    non-critical
     [Setup]    Start Logging    RestartOpenOltPingDt
     [Teardown]    Run Keywords    Run Keyword If    ${logging}    Collect Logs
     ...           AND             Stop Logging    RestartOpenOltPingDt