Write information about restart in .result

Idea comes from MySQL which does something similar

mysql-test/suite/innodb/r/innodb-index.result

@@ -1887,11 +1887,13 @@ CREATE TABLE t1(f1 INT PRIMARY KEY)ENGINE=InnoDB;
 CREATE TABLE t2(f1 INT PRIMARY KEY)ENGINE=InnoDB;
 # Kill the server
 # Wrong space_id in a dirty file and a missing file
+# restart
 SELECT * FROM INFORMATION_SCHEMA.ENGINES
 WHERE engine = 'innodb'
 AND support IN ('YES', 'DEFAULT', 'ENABLED');
 ENGINE	SUPPORT	COMMENT	TRANSACTIONS	XA	SAVEPOINTS
 # Restore t1 and t2
+# restart
 SELECT * FROM t1;
 f1
 SELECT * FROM t2;