Removing ONU soft reboot test from the nightly tests due to issues

Change-Id: I1949541c55cd2c616ee089b1e09f366bc84214bd
diff --git a/tests/functional/Voltha_FailureScenarios.robot b/tests/functional/Voltha_FailureScenarios.robot
index c46c2f0..5049fa7 100644
--- a/tests/functional/Voltha_FailureScenarios.robot
+++ b/tests/functional/Voltha_FailureScenarios.robot
@@ -651,7 +651,7 @@
 
 Verify ONU Soft Reboot
     [Documentation]    Test soft reboot of the ONU using voltctl command
-    [Tags]    VOL-1957    ONUSoftReboot   functional
+    [Tags]    VOL-1957    ONUSoftReboot   functional    notready
     [Setup]    Start Logging    ONUSoftReboot
     #...        AND             Setup
     [Teardown]    Run Keywords    Collect Logs