public void SortStringTest_returnSortString() { StubFiles stubFiles = new StubFiles(); IList <string> listliststring = new List <string>() { "LocalServer" , "DbTest" , "0,00741" , "02.04.2020" }; string execute = stubFiles.GetResulSortString(); Assert.AreEqual(execute, workFiles.SortString(listliststring)); }