Skip unstable Spider tests on Launchpad s390x builds

debian/changelog

+mariadb-10.0 (10.0.23-2) UNRELEASED; urgency=low
+
+  * Skip unstable Spider tests on Launchpad s390x builds
+
+ -- Otto Kekäläinen <otto@seravo.fi>  Mon, 28 Dec 2015 09:51:36 +0200
+
 mariadb-10.0 (10.0.23-1) unstable; urgency=low
 
   * New upstream release

debian/unstable-tests.s390x

+spider.basic_sql : https://mariadb.atlassian.net/browse/MDEV-9329
+spider/bg.ha : MDEV-9329
+spider/bg.ha_part : MDEV-9329
+spider.spider_fixes : MDEV-9329
+spider.spider3_fixes : MDEV-9329
+spider.basic_sql_part : MDEV-9329
+spider.direct_aggregate : MDEV-9329
+spider.direct_aggregate_part : MDEV-9329
+sys_vars.autocommit_func2 : MDEV-9329