TasksDebuggingEngineering track

The bug is in the test

eng-debug-05suite v1.0code

Quality30%judge panel
Correctness60%deterministic · hidden-tests
Completeness10%judge panel

Exact prompt sent to every model

Below is a small Python billing module and its test file. One test fails in CI but passes locally for the developer. The developer insists the module is wrong. Determine whether the bug is in the module or the test, fix the right one, and explain how you know. Return the changed file with a # file: <path> first line and a 3-8 sentence explanation.

A private fixture (eng-debug-05/src) is shown to the model but not published.

Responses

Latest published run: gemini-3.8-flash. For each model the repeat closest to its published median is shown; every repeat is in the repository.

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