invalid-duplicate-key.json

{"schemaVersion": 1, "schemaVersion": 1, "commands": {"build": {"executable": "heni-fixture", "arguments": ["exit", "0"]}, "test": {"executable": "heni-fixture", "arguments": ["check", "input", "diagnostic"]}}, "cases": [{"id": "caught", "description": "Detect the intended fault", "edits": [{"kind": "replace", "path": "input", "old": "anchor", "new": "mutant"}], "build": "build", "test": "test", "expect": {"kind": "diagnostic", "stage": "test", "exitCode": 1, "outputContains": "capacity rule violated"}}]}