fixing test bugs
Change-Id: Iab3615f300084676e99e4cab564b451e2400a5e5
diff --git a/libraries/utils.robot b/libraries/utils.robot
index 1ecde32..9e59780 100644
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -223,6 +223,7 @@
Delete Device and Verify
[Documentation] Disable -> Delete devices via voltctl and verify its removed
+ ${olt_device_id}= Get Device ID From SN ${olt_serial_number}
${rc} ${output}= Run and Return Rc and Output
... ${VOLTCTL_CONFIG}; voltctl device disable ${olt_device_id}
Should Be Equal As Integers ${rc} 0