Adding EAPOL flow validation to ATT Sanity Test

Change-Id: I6be2b837564a0a49480deeb2b3c7937802775345
diff --git a/tests/bbsim/Voltha_BBSimTests.robot b/tests/bbsim/Voltha_BBSimTests.robot
index ef185f9..c29b2cc 100755
--- a/tests/bbsim/Voltha_BBSimTests.robot
+++ b/tests/bbsim/Voltha_BBSimTests.robot
@@ -55,6 +55,7 @@
 # we want to make sure you can disable/delete the device without needing to restart BBSim
 ${iteration_count}  2
 
+${suppressaddsubscriber}    True
 
 *** Test Cases ***
 
@@ -175,7 +176,7 @@
     Restart Grpc Server    ${NAMESPACE}    ${bbsim_pod}    5
     Run Keyword If    "${workflow}"=="DT"    Perform Sanity Test DT
     ...    ELSE IF    "${workflow}"=="TT"    Perform Sanity Tests TT
-    ...    ELSE       Perform Sanity Test
+    ...    ELSE       Perform Sanity Test    ${suppressaddsubscriber}
     # wait untill the device is connected again before proceeding
     Sleep   10