group_by.result, group_by.test:

  Correction for the test case of bug #11295 to remove
  warning.

mysql-test/r/group_by.result

@@ -745,9 +745,9 @@ CREATE TABLE t1 (id varchar(20) NOT NULL);
 INSERT INTO t1 VALUES ('trans1'), ('trans2');
 CREATE TABLE t2 (id varchar(20) NOT NULL, err_comment blob NOT NULL);
 INSERT INTO t2 VALUES ('trans1', 'a problem');
-SELECT COUNT(DISTINCT(t1.id)), LEFT(err_comment, 256) AS err_comment
-FROM t1 LEFT JOIN t2 ON t1.id=t2.id GROUP BY err_comment;
-COUNT(DISTINCT(t1.id))	err_comment
+SELECT COUNT(DISTINCT(t1.id)), LEFT(err_comment, 256) AS comment
+FROM t1 LEFT JOIN t2 ON t1.id=t2.id GROUP BY comment;
+COUNT(DISTINCT(t1.id))	comment
 1	NULL
 1	a problem
 DROP TABLE t1, t2;

mysql-test/t/group_by.test

@@ -576,7 +576,7 @@ INSERT INTO t1 VALUES ('trans1'), ('trans2');
 CREATE TABLE t2 (id varchar(20) NOT NULL, err_comment blob NOT NULL);
 INSERT INTO t2 VALUES ('trans1', 'a problem');
 
-SELECT COUNT(DISTINCT(t1.id)), LEFT(err_comment, 256) AS err_comment
-  FROM t1 LEFT JOIN t2 ON t1.id=t2.id GROUP BY err_comment;
+SELECT COUNT(DISTINCT(t1.id)), LEFT(err_comment, 256) AS comment
+  FROM t1 LEFT JOIN t2 ON t1.id=t2.id GROUP BY comment;
 
 DROP TABLE t1, t2;