Remove files that tests leave behind

mysql-test/t/ndb_alter_table.test:
  Remove file that the test leaves behind
mysql-test/t/partition.test:
  Remove file that the other tests leaves behind
mysql-test/t/rpl_ndb_bank.test:
  Remove file that the test leaves behind
mysql-test/t/rpl_ndb_dd_advance.test:
  Remove file that the test leaves behind

mysql-test/t/ndb_alter_table.test

@@ -389,6 +389,7 @@ drop index i1 on t1;
 --disable_warnings
 --exec $NDB_TOOLS_DIR/ndb_show_tables --p > $MYSQLTEST_VARDIR/master-data/test/tmp.dat
 LOAD DATA INFILE 'tmp.dat' INTO TABLE ndb_show_tables;
+--exec rm $MYSQLTEST_VARDIR/master-data/test/tmp.dat || true
 --enable_warnings
 
 select 'no_copy' from ndb_show_tables where id = @t1_id and name like '%t1%';

mysql-test/t/partition.test

@@ -7,6 +7,7 @@
 
 --disable_warnings
 drop table if exists t1;
+--exec rm $MYSQLTEST_VARDIR/test/db.opt || true
 --enable_warnings
 
 #

mysql-test/t/rpl_ndb_bank.test

@@ -121,6 +121,7 @@ RESET MASTER;
 CREATE TABLE IF NOT EXISTS cluster.backup_info (id INT, backup_id INT) ENGINE = HEAP;
 DELETE FROM cluster.backup_info;
 LOAD DATA INFILE '../tmp.dat' INTO TABLE cluster.backup_info FIELDS TERMINATED BY ',';
+--exec rm $MYSQLTEST_VARDIR/tmp.dat || true
 --replace_column 1 <the_backup_id>
 SELECT @the_backup_id:=backup_id FROM cluster.backup_info;
 let the_backup_id=`select @the_backup_id`;

mysql-test/t/rpl_ndb_dd_advance.test

@@ -441,7 +441,7 @@ CREATE TEMPORARY TABLE IF NOT EXISTS cluster.backup_info (id INT, backup_id INT)
 DELETE FROM cluster.backup_info;
 
 LOAD DATA INFILE '../tmp.dat' INTO TABLE cluster.backup_info FIELDS TERMINATED BY ',';
-
+--exec rm $MYSQLTEST_VARDIR/tmp.dat || true
 --replace_column 1 <the_backup_id>
 
 SELECT @the_backup_id:=backup_id FROM cluster.backup_info;