}
for ( final Integer num : dist2 )
mannWhitneyU.add(num, MannWhitneyU.USet.SET2);
final Double result = mannWhitneyU.runTwoSidedTest().second;
Assert.assertFalse(Double.isNaN(result));
if ( distributionsShouldBeEqual ) {
// TODO -- THIS IS THE FAILURE POINT OF USING REDUCED READS WITH RANK SUM TESTS
if ( numToReduceIn2 >= observations / 2 )