Synced exercise to problem specs and regenerated tests. (#4302)

Author: BethanyG

exercises/practice/state-of-tic-tac-toe/.meta/tests.toml

@@ -99,3 +99,9 @@ reimplements = "b1dc8b13-46c4-47db-a96d-aa90eedc4e8d"
 
 [4801cda2-f5b7-4c36-8317-3cdd167ac22c]
 description = "Invalid boards -> Invalid board: players kept playing after a win"
+
+[5a84757a-fc86-4328-aec9-a5759e6ed35d]
+description = "Invalid boards -> Invalid board: O kept playing after X wins"
+
+[cf25543d-583a-4656-b9ab-f82dc00a4a02]
+description = "Invalid boards -> Invalid board: X kept playing after O wins"

exercises/practice/state-of-tic-tac-toe/state_of_tic_tac_toe_test.py

@@ -1,6 +1,6 @@
 # These tests are auto-generated with test data from:
 # https://github.com/exercism/problem-specifications/tree/main/exercises/state-of-tic-tac-toe/canonical-data.json
-# File last updated on 2026-01-30
+# File last updated on 2026-09-30
 
 import unittest
 
@@ -243,3 +243,31 @@ def test_invalid_board_players_kept_playing_after_a_win(self):
             err.exception.args[0],
             "Impossible board: game should have ended after the game was won",
         )
+
+    def test_invalid_board_o_kept_playing_after_x_wins(self):
+        board = [
+            "OO ",
+            "XXX",
+            " O ",
+        ]
+        with self.assertRaises(ValueError) as err:
+            gamestate(board)
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(
+            err.exception.args[0],
+            "Impossible board: game should have ended after the game was won",
+        )
+
+    def test_invalid_board_x_kept_playing_after_o_wins(self):
+        board = [
+            "XX ",
+            "OOO",
+            " XX",
+        ]
+        with self.assertRaises(ValueError) as err:
+            gamestate(board)
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(
+            err.exception.args[0],
+            "Impossible board: game should have ended after the game was won",
+        )