Restrict parquet many cols test to one test dimension.
Restrict parquet many cols test to one test dimension.

Change-Id: Ib7e1a63a9981fc646899b627748b523119d9a5d4
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1928
Reviewed-by: Lenni Kuff <724b7df200764f5dc1b723c05ee6c6adabd11bb1@cloudera.com>
Tested-by: Nong Li <99a5e5f8f5911755b88e0b536d46aafa102bed41@cloudera.com>
(cherry picked from commit 2ead746f0e697276e7753c735befbd1a14feba6d)
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1934
Reviewed-by: Nong Li <99a5e5f8f5911755b88e0b536d46aafa102bed41@cloudera.com>

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