{
    "name": "SampleTest" ,                            // [required]
    "backends": ["opengl"],                           // [required] Specifies the backend that will be used to render
                                                      //     this test
    "model_search_paths": ["third_party/models"],     // [optional] Base iirectory from which we will glob for
                                                      //     .glb files and try to match against names in the 'models'
                                                      //     field.
    "presets": [                                      // [optional] A list of preset configurations that tests can
                                                      //     inherit from.
        {
            "name": "Standard",                       // [required]
            "models": ["lucy", "DamagedHelmet"],      // [optional] Base name for the gltf file used in the test.  For
                                                      //     example, source files are lucy.glb and DamagedHelmet.gltf
            "rendering": {                            // [required] Rendering settings used in the test. The json format
                "viewer.cameraFocusDistance": 0,      //     is taken from AutomationSpec in libs/viewer
                "view.postProcessingEnabled": true
            }
        }
    ],
    "tests": [                                        // [required] List of test configurations
        {
            "name": "BloomFlare",                     // [required]
            "description": "Testing bloom and flare", // [optional]
            "apply_presets": ["Standard"],            // [optional] Applies the preset in order. Item must be in
                                                      //     'presets' field in the top-level struct.
            "model": [],                              // [optional] List of models used in this test.  The list is
                                                      //      *appended* onto the lists provided by the presets.
            "tolerance": {                            // [optional] Image comparison tolerance specification
                "operator": "OR",                     // [optional] How to combine criteria: "AND" or "OR" (default: "AND")
                "criteria": [
                    {
                        "max_pixel_diff": 3,          // [optional] Max absolute difference per channel (0-255)
                        "allowed_diff_pixels": 1.0    // [optional] Percentage of pixels allowed to exceed (0-100%)
                    },
                    {
                        "max_pixel_diff_percent": 2.0, // [optional] Max difference as percentage (0-100%)
                        "allowed_diff_pixels": 0.5     // [optional] Percentage of pixels allowed to exceed (0-100%)
                    }
                ]
            },
            "rendering": {                            // [required] See description in 'presets'
                "view.bloom.enabled": true,
                "view.bloom.lensFlare": true
            }
        }
    ]
}