- Minimal required-fields fixture for GitHub SARIF upload schema - TestSARIFGitHubValidation: asserts $schema/version/runs, tool.driver.name, per-result ruleId/level/message/locations, physicalLocation.region.startLine >= 1 - Covers startLine floor for LineNumber=0 inputs - TestSARIFGitHubValidation_EmptyFindings: empty input still yields a valid document with results: [] (not null)