Post-merge fixes: add a suppression for rocksdb.skip_validate_tmP_table

storage/rocksdb/mysql-test/rocksdb/r/skip_validate_tmp_table.result

@@ -3,6 +3,7 @@ show tables;
 Tables_in_test
 #mysql50#t1#sql-test
 t1
+call mtr.add_suppression('Invalid .old.. table or database name .t1#sql-test.');
 set session debug_dbug="+d,gen_sql_table_name";
 rename table t1 to t2;
 set session debug_dbug= "-d,gen_sql_table_name";

storage/rocksdb/mysql-test/rocksdb/t/skip_validate_tmp_table.test

@@ -12,6 +12,9 @@ create table t1 (pk int primary key) engine=rocksdb;
 
 show tables;
 
+# MariaDB produces a warning:
+call mtr.add_suppression('Invalid .old.. table or database name .t1#sql-test.');
+
 # This will append '#sql-test' to the end of new name
 set session debug_dbug="+d,gen_sql_table_name";
 rename table t1 to t2;