HBASE-12285 Builds are failing, possibly because of SUREFIRE-1091
HBASE-12285 Builds are failing, possibly because of SUREFIRE-1091

* Reduce the logging level to WARN

Signed-off-by: stack <b26dc72d261a92c1cfd1e643717e450a84cf2122@apache.org>

ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase