lib.rs

			set_next_validators(vec![1, 2, 3, 4, 5, 6, 7]);
			force_new_session();
			initialize_block(1);
			// apply the new validator set
			force_new_session();
			initialize_block(2);

			assert_eq!(Session::disable_index(0), false);
			assert_eq!(Session::disable_index(1), false);
			assert_eq!(Session::disable_index(2), true);
			assert_eq!(Session::disable_index(3), true);
		});
	}
}