KeywordUtil.markFailed() shows Test case has Error but i expected it as 'failed'. How to mark Test Fail?

Product Forums Katalon Studio
1

I have used conditional statements in Test case like below:

String msg = "Hello World"
//KeywordLogger log = new KeywordLogger()
if (!(msg.contains('World')))) {
    //    log.logFailed('log - Message does not contain expected text.')
    KeywordUtil.markFailed('Message does not contain expected text.')
}

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KeywordUtil.markFailed() does not fail the testcase.
It shows that Test case has Errors

Even KeywordLogger does not do that.

What should be the approriate way of dealing with suck conditions.
I have to match partial text and mark the test Fail or PAss based on If Condition Result.