public async void Insert_Ports_And_Return_OK() { List <Port> items = new List <Port>(); using (StreamReader r = new StreamReader("ports.json")) { items = JsonConvert.DeserializeObject <List <Port> >(r.ReadToEnd()); } CruiseRepository cruise = new CruiseRepository(); bool result = await cruise.InsertPorts(items); Assert.True(result); }