How to setup testopia 2.5 on already installed bugzilla 5.03

i have tried to install testopia 2.5 version on latest bugzilla 5.03. Can any one guide me how to go about this issue?

I am getting following error

DBD::mysql::db do failed: Can't create table 'delbugs.#sql-a38_d' (errno: 150) [ for Statement "ALTER TABLE test_case_components ADD CONSTRAINT fk_test_case_components_case_id_test_cases_case_id FOREIGN KEY ( case_id) REFERENCES test_cases(case_id) ON UPDATE CASCADE ON DELETE CASCADE, ADD CONSTRAINT fk_test_case_components_component_id_components_id FOREIGN KEY ( component_id) REFERENCES components(id) ON UPDATE CASCADE ON DELETE CASCADE"] at Bugzilla/DB.pm line 638. Bugzilla::DB::bz_add_fks('Bugzilla::DB::Mysql=HASH(0x5f2aaf0)', 'test_ca se_components', 'HASH(0x57f9578)', 'HASH(0xa86b208)') called at Bugzilla/DB.pm l ine 542 Bugzilla::DB::bz_setup_foreign_keys('Bugzilla::DB::Mysql=HASH(0x5f2aaf0) ') called at Bugzilla/Install/DB.pm line 722 Bugzilla::Install::DB::update_table_definitions('HASH(0x1dc8ce0)') calle d at ./checksetup.pl line 170