public void GetUserRoles()
{
//Arrange
var databaseFactory = new DatabaseFactory();
var userRepository = new UserRepository(databaseFactory);
var roleRepository = new RoleRepository(databaseFactory);
var userRoleRepository = new UserRoleRepository(databaseFactory);
var userRoleService = new UserRoleService(userRepository, roleRepository, userRoleRepository);
var users = userRoleService.GetUsers();
Assert.IsNotNull(users);
}