Add missing test result

mysql-test/t/subselect.test:
  Add test of result

mysql-test/r/subselect.result

@@ -2803,3 +2803,16 @@ SELECT s.ip, count( e.itemid ) FROM `t1` e JOIN t2 s ON s.sessionid = e.sessioni
 ip	count( e.itemid )
 10.10.10.1	1
 drop tables t1,t2;
+CREATE TABLE t1 (EMPNUM   CHAR(3));
+CREATE TABLE t2 (EMPNUM   CHAR(3) );
+INSERT INTO t1 VALUES ('E1'),('E2');
+INSERT INTO t2 VALUES ('E1');
+DELETE FROM t1
+WHERE t1.EMPNUM NOT IN
+(SELECT t2.EMPNUM
+FROM t2
+WHERE t1.EMPNUM = t2.EMPNUM);
+select * from t1;
+EMPNUM
+E1
+DROP TABLE t1,t2;

mysql-test/t/subselect.test

@@ -1828,11 +1828,12 @@ drop tables t1,t2;
 #
 CREATE TABLE t1 (EMPNUM   CHAR(3));
 CREATE TABLE t2 (EMPNUM   CHAR(3) );
-INSERT INTO t1 VALUES ('E1');
+INSERT INTO t1 VALUES ('E1'),('E2');
 INSERT INTO t2 VALUES ('E1');
 DELETE FROM t1
 WHERE t1.EMPNUM NOT IN
       (SELECT t2.EMPNUM
        FROM t2
        WHERE t1.EMPNUM = t2.EMPNUM);
+select * from t1;
 DROP TABLE t1,t2;