public CellsyntSmsGatewayTests(ITestOutputHelper outputHelper)
 {
     _outputHelper = outputHelper;
     _credentials  = new CellsyntCredentials("MyName", "MyPassword");
     _gateway      = new TestableCellsyntSmsGateway(_credentials, () => (_fakeResponse, _fakeStatusCode));
     _dummyMessage = new TextSmsMessage("Hello, World!", "0012345")
     {
         MaxMessageCount = 1,
         EncodingType    = TextEncodingType.Gsm0338
     };
 }
 public TestableCellsyntSmsGateway(
     CellsyntCredentials credentials,
     Func <(string, HttpStatusCode)> getResponse = null)