create table testsuite (
	id int auto_increment,
	primary key (id)
) engine = innodb;

create table testcase (
	id int auto_increment,
	primary key (id)
) engine = innodb;

create table testsuite_testcase (
	testsuite_id int,
	testcase_id int,
	foreign key (testsuite_id) references testsuite(id),
	foreign key (testcase_id) references testcase(id),
	unique (testsuite_id, testcase_id) -- or primary key?
) engine = innodb;