Fixing multi-olt-test. error was Evaluating expression '4' failed: TypeError: Expression must be string, got integer.
Change-Id: I40b3a5ac5096adf79937d78749f211333ebc9d44
diff --git a/libraries/utils.robot b/libraries/utils.robot
index adf9516..19565cd 100644
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -109,7 +109,7 @@
${count}= Set Variable 0
FOR ${I} IN RANGE 0 ${src_length}
${sn} Evaluate ${src}[${I}].get("olt")
- ${count}= Run Keyword If '${serial_number}' == '${sn}' Evaluate ${count} + 1 ELSE Evaluate ${count}
+ ${count}= Run Keyword If '${serial_number}' == '${sn}' Evaluate ${count} + 1 ELSE Set Variable ${count}
END
[Return] ${count}