Get GenerateTestJob

{
    "data": {
        "id": "FID001",
        "type": "GenerateTestJob",
        "attributes": {
            "source": {
                "type": "collection",
                "objectId": "string"
            },
            "length": 0,
            "tagFilters": {
                "weightingType": "percentage",
                "filterRules": [
                    {
                        "weighting": 0,
                        "matchingRules": [
                            {}
                        ]
                    }
                ]
            },
            "masteryLevels": [
                "unseen"
            ],
            "state": "pending"
        },
        "relationships": {
            "test": {
                "data": {
                    "id": "FID001",
                    "type": "Test"
                }
            },
            "tagSet": {
                "data": {
                    "id": "FID001",
                    "type": "TagSet"
                }
            }
        }
    }
}