Test innodb.innodb_bug30423 is unstable

On PS 5.5 trunk:

innodb.innodb_bug30423 w4 [ fail ]
        Test ended at 2016-08-31 14:36:45

CURRENT_TEST: innodb.innodb_bug30423
--- /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/release/Host/ubuntu-precise-32bit/mysql-test/suite/innodb/r/innodb_bug30423.result 2016-08-31 21:08:19.354934000 +0300
+++ /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/release/Host/ubuntu-precise-32bit/mysql-test/suite/innodb/r/innodb_bug30423.reject 2016-08-31 21:36:44.978934000 +0300
@@ -50,7 +50,7 @@
 id select_type table type possible_keys key key_len ref rows Extra
 1 SIMPLE orgs index NULL org_id 4 NULL 128 Using index
 1 SIMPLE sa_opportunities ref org_id org_id 5 test.orgs.org_id 1 Using index
-1 SIMPLE contacts ref contacts$org_id contacts$org_id 5 test.orgs.org_id 1 Using index
+1 SIMPLE contacts ref contacts$org_id contacts$org_id 5 test.orgs.org_id 4 Using index
 select @@innodb_stats_method;
 @@innodb_stats_method
 nulls_ignored

mysqltest: Result content mismatch

InnoDB rows estimate comes from random sampling (even with innodb_stats_sample_pages > table size), thus is not fully deterministic.