Tests: add create_item test

test/general/TestItems.py

@@ -0,0 +1,12 @@
+import unittest
+from worlds.AutoWorld import AutoWorldRegister
+
+
+class TestBase(unittest.TestCase):
+    def testCreateItem(self):
+        for game_name, world_type in AutoWorldRegister.world_types.items():
+            proxy_world = world_type(None, 0)  # this is identical to MultiServer.py creating worlds
+            for item_name in world_type.item_name_to_id:
+                with self.subTest("Create Item", item_name=item_name, game_name=game_name):
+                    item = proxy_world.create_item(item_name)
+                    self.assertEqual(item.name, item_name)