Require tests to pass on 3.13

Author: youtux

.github/workflows/main.yml

@@ -34,7 +34,7 @@ jobs:
           - python-version: "3.13-dev"
             toxfactor: py3.13
             ignore-typecheck-outcome: true
-            ignore-test-outcome: true
+            ignore-test-outcome: false
 
     steps:
     - uses: actions/checkout@v3