SERVER-22154 Blacklist csrs upgrade tests on in-memory storage engine

Author: stbrody

jstests/sharding/csrs_upgrade.js

@@ -13,6 +13,9 @@
  * availability or unavailability of metadata writes, and
  * config.version is read to confirm the availability of metadata
  * reads.
+ *
+ * This test restarts nodes and expects the data to still be present.
+ * @tags: [requires_persistence]
  */
 
 load("jstests/replsets/rslib.js");

jstests/sharding/csrs_upgrade_during_migrate.js

@@ -3,6 +3,9 @@
  * migration is taking place.
  * It verifies that the migration detects when a catalog manager swap is required and aborts the
  * migration before reaching the critical section.
+ *
+ * This test restarts nodes and expects the data to still be present.
+ * @tags: [requires_persistence]
  */
 load("jstests/replsets/rslib.js");