Subnautica: revamp filler item pool

worlds/subnautica/test/__init__.py

@@ -8,8 +8,18 @@ class SubnauticaTest(unittest.TestCase):
 
     def testIDRange(self):
         for name, id in subnautica.SubnauticaWorld.location_name_to_id.items():
-            with self.subTest(item=name):
+            with self.subTest(location=name):
                 if "Scan" in name:
                     self.assertLess(self.scancutoff, id)
                 else:
                     self.assertGreater(self.scancutoff, id)
+
+    def testGroupAssociation(self):
+        from worlds.subnautica import Items
+        for item_id, item_data in Items.item_table.items():
+            if item_data.type == Items.ItemType.group:
+                with self.subTest(item=item_data.name):
+                    self.assertIn(item_id, Items.group_items)
+        for item_id in Items.group_items:
+            with self.subTest(item_id=item_id):
+                self.assertEqual(Items.item_table[item_id].type, Items.ItemType.group)