[configlet] state-of-tic-tac-toe: missing test cases #3150

Missing test cases for state-of-tic-tac-toe

Part of #2959.

The following test cases from problem-specifications are not yet implemented in this track:

• 5a84757a-fc86-4328-aec9-a5759e6ed35d Invalid boards -> Invalid board: O kept playing after X wins
• cf25543d-583a-4656-b9ab-f82dc00a4a02 Invalid boards -> Invalid board: X kept playing after O wins

How to help

For detailed instructions on how to fetch configlet and update the tests, please see the "How to do this task" section in the main tracking issue:
👉 Read the instructions here

This issue is managed automatically by the Create Configlet Sync Issues workflow.