test(spaces): fix tautological assertions, add missing edge case

Remove redundant assert!(a || b) after assert!(b). Rename tests to
better reflect what they test. Add multi_space_room_has_reqs_in_one_space_only
to cover room with requirements in space A but not space B.

src/service/rooms/roles/tests.rs

@@ -142,33 +142,36 @@ fn multi_space_user_only_in_one_space() {
 }
 
 #[test]
-fn multi_space_join_or_logic_qualifies_in_any() {
+fn multi_space_qualifies_in_one_not_other() {
 	let space_a_reqs = make_set(&["staff"]);
 	let space_b_reqs = make_set(&["nsfw"]);
 
 	let user_roles = make_set(&["nsfw"]);
 
-	let qualifies_a = roles_satisfy_requirements(&space_a_reqs, &user_roles);
-	let qualifies_b = roles_satisfy_requirements(&space_b_reqs, &user_roles);
-
-	assert!(!qualifies_a);
-	assert!(qualifies_b);
-	assert!(qualifies_a || qualifies_b);
+	assert!(!roles_satisfy_requirements(&space_a_reqs, &user_roles));
+	assert!(roles_satisfy_requirements(&space_b_reqs, &user_roles));
 }
 
 #[test]
-fn multi_space_kick_or_logic_qualifies_in_other() {
+fn multi_space_qualifies_after_role_revoke_via_other_space() {
 	let space_a_reqs = make_set(&["nsfw"]);
 	let space_b_reqs = make_set(&["vip"]);
 
 	let user_roles_after_revoke = make_set(&["vip"]);
 
-	let qualifies_a = roles_satisfy_requirements(&space_a_reqs, &user_roles_after_revoke);
-	let qualifies_b = roles_satisfy_requirements(&space_b_reqs, &user_roles_after_revoke);
+	assert!(!roles_satisfy_requirements(&space_a_reqs, &user_roles_after_revoke));
+	assert!(roles_satisfy_requirements(&space_b_reqs, &user_roles_after_revoke));
+}
 
-	assert!(!qualifies_a);
-	assert!(qualifies_b);
-	assert!(qualifies_a || qualifies_b);
+#[test]
+fn multi_space_room_has_reqs_in_one_space_only() {
+	let space_a_reqs = make_set(&["admin"]);
+	let space_b_reqs: HashSet<String> = HashSet::new();
+
+	let user_roles = make_set(&["nsfw"]);
+
+	assert!(!roles_satisfy_requirements(&space_a_reqs, &user_roles));
+	assert!(roles_satisfy_requirements(&space_b_reqs, &user_roles));
 }
 
 #[test]