{"ScriptPreparationCode":null,"TestCases":[{"Name":"concat with empty array","Code":"let array = [1, 2, 3, 4];\r\narray = [].concat(array, 5);","IsDeferred":false},{"Name":"concat without empty array","Code":"let array = [1, 2, 3, 4];\r\narray = array.concat(5);","IsDeferred":false}]}