lostluck commented on issue #31122:
URL: https://github.com/apache/beam/issues/31122#issuecomment-2152964611

   Agreed, that filtering is the right move here. Those tests do use strings 
which is one of the affected datatypes Flink's TestStream corrupts.
   
   ----
   
   At some point we determined that Flink does with TestStream and mutates 
those coders (adding length prefixes where they weren't previously) without 
making the equivalent mutations to the equivalent bytes, but we weren't able to 
pin down where it was coming from.
   
   This we filtered out those tests here:
   
   
https://github.com/apache/beam/blob/master/sdks/go/test/integration/integration.go#L181
   
   Ideally we fix the Flink test stream implementation, but until then, we 
filter, since it's not commonly used.


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