Analytic fn query test for IMPALA-1280 needs VERIFY_IS_EQUAL_SORTED

Change-Id: Iefb232a501a97a0f0351fd0794c7a3bfc279f98c
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/4513
Reviewed-by: Ippokratis Pandis <ipandis@cloudera.com>
Tested-by: jenkins