[t:3072], fix a couple of tests that did not properly commit

git-svn-id: file:///svn/mysql/tests/mysql-test@26075 c7de825b-a66e-492c-adef-691d508d4ae1

mysql-test/suite/tokudb.mvcc/r/2808-read-committed.result

@@ -54,5 +54,6 @@ a	b
 2	2
 3	1
 4	3
+commit;
 set session transaction isolation level serializable;
 DROP TABLE foo, foo_isam;

mysql-test/suite/tokudb.mvcc/r/2808-read-uncommitted.result

@@ -54,5 +54,6 @@ a	b
 2	2
 3	1
 4	3
+commit;
 set session transaction isolation level serializable;
 DROP TABLE foo, foo_isam;

mysql-test/suite/tokudb.mvcc/t/2808-read-committed.test

@@ -45,6 +45,10 @@ connection default;
 insert into foo values (5,5);
 select * from foo;
 
+
+connection conn1;
+commit;
+
 connection default;
 disconnect conn1;
 

mysql-test/suite/tokudb.mvcc/t/2808-read-uncommitted.test

@@ -45,6 +45,9 @@ connection default;
 insert into foo values (5,5);
 select * from foo;
 
+connection conn1;
+commit;
+
 connection default;
 disconnect conn1;