tests: reduce the memory size for memcached to see if the tests runs

Signed-off-by: Reto Achermann <[email protected]>

Author: achreto

kernel/testutils/src/configs.rs

@@ -1,5 +1,5 @@
 // Copyright © 2021 VMware, Inc. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
-pub const MEMCACHED_MEM_SIZE_MB: usize = 4 * 1024;
-pub const MEMCACHED_NUM_QUERIES: usize = 1_000_000;
+pub const MEMCACHED_MEM_SIZE_MB: usize = 1 * 1024;
+pub const MEMCACHED_NUM_QUERIES: usize = 500_000;