Throw failure instead of warning

Old behaviour: If we expected failure but got success, log a warning
but don't call `Fail`.
New behaviour: If we expected failure but got success, call `Fail`.

Also, the message was corrected.

@@ -216,8 +216,8 @@ SwitchState
   Log Many  @{arguments}
   Log Many  @{arguments}
   ${keywords_file}=  Get Broker Property By Username  ${username}  keywords_file
   ${keywords_file}=  Get Broker Property By Username  ${username}  keywords_file
   ${status}  ${value}=  run_keyword_and_ignore_keyword_definitions  ${keywords_file}.${command}  ${username}  @{arguments}
   ${status}  ${value}=  run_keyword_and_ignore_keyword_definitions  ${keywords_file}.${command}  ${username}  @{arguments}
-  Run keyword if  '${status}' == 'PASS'   Log   Учасник ${username} зміг виконати "${command}"   WARN
-  [return]   ${value}
+  Run keyword if  '${status}' == 'PASS'  Fail  Користувач ${username} зміг виконати "${command}"
+  [return]  ${value}
 
 
 
 
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