public void getAllOwners()
{
User itamar = new User("checker", "123456");
Store s = sa.addStore("vadim and sons", itamar);
User temp = new User("Vadim", "Vadim");
Assert.IsTrue(sa.addStoreRole(new StoreOwner(temp, s), s.getStoreId(), "Vadim"));
Assert.AreEqual(1, sa.getAllOwners(s.getStoreId()).Count);
}