tests/bluetooth/tester: Set mesh message cache size to 10

MESH/NODE/RLY/BI-02-C case requires cache size of 10

Signed-off-by: Alperen Sener <[email protected]>

Author: m-alperen-sener

tests/bluetooth/tester/prj.conf

@@ -48,6 +48,7 @@ CONFIG_BT_MESH_PROVISIONER=y
 CONFIG_BT_MESH_CDB_NODE_COUNT=3
 CONFIG_BT_MESH_PROV_OOB_PUBLIC_KEY=y
 CONFIG_BT_MESH_TX_SEG_RETRANS_COUNT=5
+CONFIG_BT_MESH_MSG_CACHE_SIZE=10
 
 CONFIG_BT_TINYCRYPT_ECC=y
 CONFIG_BT_TESTING=y