[jira] [Created] (KAFKA-12187) replace assertTrue(obj instanceof X) by assertInstanceOf when we update to JUnit 5.8

[Chia-Ping Tsai (Jira)]

Chia-Ping Tsai created KAFKA-12187:
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             Summary: replace assertTrue(obj instanceof X) by assertInstanceOf 
when we update to JUnit 5.8
                 Key: KAFKA-12187
                 URL: https://issues.apache.org/jira/browse/KAFKA-12187
             Project: Kafka
          Issue Type: Improvement
            Reporter: Chia-Ping Tsai
            Assignee: Chia-Ping Tsai


see https://github.com/apache/kafka/pull/9874#discussion_r556547909

{quote}

Yeah, for existing code improvements (versus code introduced by this change), 
let's do it via a different PR. For this particular issue, we can probably wait 
for JUnit 5.8 and use:
{quote} * New assertInstanceOf methods as a replacement for assertTrue(obj 
instanceof X) which provide better error messages comparable to those of 
assertThrows.{quote}
{quote}



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