// If the collection is sharded, we expect at most 2 distinct values per shard. If the
   // collection is not sharded, we expect 2 returned.
   assert.lte(2 * FixtureHelpers.numberOfShardsForCollection(coll),
              explain_distinct_with_query.executionStats.nReturned);

   // If the collection is sharded, we expect at most 2 distinct values per shard. If the
   // collection is not sharded, we expect 2 returned.
   assert.lte(explain_distinct_with_query.executionStats.nReturned,
              2 * FixtureHelpers.numberOfShardsForCollection(coll));