making a better test case for bug #8850

mysql-test/r/sp.result:
  fixing results for new test
mysql-test/t/sp.test:
  making a new test with autocommit set to 0 and 1.
  Second CALL is in autocommit mode to prove that the relevant bug 
  (bug #8550) is fixed.

mysql-test/r/sp.result

@@ -2545,11 +2545,12 @@ begin
 truncate table t1; insert t1 values (1); rollback;
 end
 |
-begin;
+set autocommit=0;
 insert t1 values (2);
 call sp1();
 ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
 commit;
+set autocommit=1;
 select * from t1;
 a
 2

mysql-test/t/sp.test

@@ -3087,11 +3087,12 @@ begin
 end
 |
 delimiter ;|
-begin;
+set autocommit=0;
 insert t1 values (2);
 --error 1192
 call sp1();
 commit;
+set autocommit=1;
 select * from t1;
 call sp1();
 select * from t1;