DB-718 test case for broken error handling in tokudb_fractal_tree_info info schema plugin

mysql-test/suite/tokudb.bugs/r/tokudb718.result

+set default_storage_engine='tokudb';
+drop table if exists t;
+create table t (id int primary key);
+begin;
+insert into t values (1),(2);
+select * from information_schema.tokudb_fractal_tree_info;
+ERROR HY000: Unknown error -30994
+commit;
+drop table t;

mysql-test/suite/tokudb.bugs/t/tokudb718.test

+# test DB-718, a crash caused by broken error handling in tokudb's fractal_tree_info information schema
+source include/have_tokudb.inc;
+set default_storage_engine='tokudb';
+disable_warnings;
+drop table if exists t;
+enable_warnings;
+create table t (id int primary key);
+begin;
+insert into t values (1),(2);
+--error 34542
+select * from information_schema.tokudb_fractal_tree_info;
+commit;
+drop table t;