Fix test so that it will be environment-independent.

mysql-test/r/mysqldump.result:
  Update result file.

mysql-test/r/mysqldump.result

@@ -3952,12 +3952,12 @@ CREATE VIEW mysqldump_test_db.v2 AS SELECT 1 AS
 CREATE VIEW mysqldump_test_db.v1 AS SELECT 1 FROM mysqldump_test_db.v2;
 set names latin1;
 
-# Dump mysqldump_test_db to /dev/shm/t1/var/tmp/bug30027.sql.
+# Dump mysqldump_test_db to bug30027.sql.
 
 # Drop mysqldump_test_db.
 DROP DATABASE mysqldump_test_db;
 
-# Restore mysqldump_test_db from /dev/shm/t1/var/tmp/bug30027.sql.
+# Restore mysqldump_test_db from bug30027.sql.
 
 # Check the view.
 set names utf8;

mysql-test/t/mysqldump.test

@@ -1702,10 +1702,9 @@ CREATE VIEW mysqldump_test_db.v1 AS SELECT
 set names latin1;
 
 --echo
---echo # Dump mysqldump_test_db to $MYSQLTEST_VARDIR/tmp/bug30027.sql.
+--echo # Dump mysqldump_test_db to bug30027.sql.
 
 --exec $MYSQL_DUMP --character-sets-dir=$CHARSETSDIR --default-character-set=latin1 --databases mysqldump_test_db > $MYSQLTEST_VARDIR/tmp/bug30027.sql
-# --exec $MYSQL_DUMP --character-sets-dir=$CHARSETSDIR --databases mysqldump_test_db > $MYSQLTEST_VARDIR/tmp/bug30027.sql
 
 --echo
 --echo # Drop mysqldump_test_db.
@@ -1713,7 +1712,7 @@ set names latin1;
 DROP DATABASE mysqldump_test_db;
 
 --echo
---echo # Restore mysqldump_test_db from $MYSQLTEST_VARDIR/tmp/bug30027.sql.
+--echo # Restore mysqldump_test_db from bug30027.sql.
 
 --exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/bug30027.sql