{"id":"tests-colocated-in-solution-file","text":"Some problem solutions bundle `unittest` test cases directly in `solution.py` alongside the solution class, with `unittest.main()` at the bottom, in addition to the separate `test_solution.py` file.","truth_value":"IN","source":"entries/2026/06/06/latest-time-by-replacing-hidden-digits-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":["test-colocation-dual-mode-inconsistent"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"tests-colocated-in-solution-file","truth_value":"IN","reason":"premise"}]}}