MemorySanitizer: Disable tests that time out

mysql-test/main/ssl-big.test

@@ -4,6 +4,8 @@
 -- source include/have_ssl_communication.inc
 -- source include/big_test.inc
 -- source include/have_64bit.inc
+# This test often times out with MemorySanitizer.
+--source include/not_msan.inc
 
 # Save the initial number of concurrent sessions
 --source include/count_sessions.inc

mysql-test/suite/innodb/t/alter_large_dml.test

@@ -5,6 +5,8 @@
 --source include/have_debug.inc
 --source include/have_debug_sync.inc
 --source include/have_sequence.inc
+# This test often times out with MemorySanitizer.
+--source include/not_msan.inc
 
 CREATE TABLE t1(f1 char(200), f2 char(200), f3 char(200),
 		f4 char(200), f5 char(200), f6 char(200),