Andrew Purtell created PHOENIX-5296:
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             Summary: Ensure store file reader refcount is zero at end of 
relevant unit tests
                 Key: PHOENIX-5296
                 URL: https://issues.apache.org/jira/browse/PHOENIX-5296
             Project: Phoenix
          Issue Type: Test
            Reporter: Andrew Purtell


Unit and integration tests for functional areas where the implementation wraps 
scanners and uses a delegate pattern should check at the end of the test that 
no scanners were leaked (check that all scanners were properly closed) by 
testing that the store reader reference count is zero on all stores. 

HBASE-22459 will offer a new metric and API which exposes this information. 



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