Fixing double curly bracket in OLT disable tests

Change-Id: I2e47d7306c9da3dd2169b39fdd800b8ee98e9aa5
diff --git a/tests/dt-workflow/Voltha_DT_PODTests.robot b/tests/dt-workflow/Voltha_DT_PODTests.robot
index 42345e5..043a5b9 100644
--- a/tests/dt-workflow/Voltha_DT_PODTests.robot
+++ b/tests/dt-workflow/Voltha_DT_PODTests.robot
@@ -292,7 +292,7 @@
         Run Keyword If    ${has_dataplane}
         ...    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    60s    2s
         ...    Check Ping    True    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
-        ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}}
+        ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
         Run Keyword and Ignore Error   Collect Logs
     END
     # Verify ONOS Flows