Update error log and association test for log deletion

Resolve  openbmc/openbmc-test-automation#990

Change-Id: I1be65814bb30f933fc7f041344c4f9eae8b09987
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/utils.robot b/lib/utils.robot
index 6a9e349..cf5ee7b 100755
--- a/lib/utils.robot
+++ b/lib/utils.robot
@@ -1091,7 +1091,7 @@
     Should Be Equal As Strings  ${resp.status_code}  ${HTTP_OK}
 
 
-Delete All Error Log
+Delete All Error Logs
     [Documentation]  Delete all error log entries using "DeleteAll" interface.
 
     ${data}=  Create Dictionary  data=@{EMPTY}