requests.test3 = {
    "requests" : [{
            "getData" : {
                "source" : "DsRestAPI_Test_DataSource",
                "element" : "EGrpType",
                "params" : [{
                        "paramName" : "EntityGroup",
                        "paramValue" : "EntityGroup_0"
                    }
                ],
                "children" : []
            }
        }
    ]
}

descriptions.test3 = "Valid getData with params."