public void ReturnsNegativeOneWhenThereAreNoKeys()
        {
            ProwlClient client = new ProwlClient();

            int expected = -1;
            int actual = client.Send("app", 0, "app://", "app-subject", "app-message");
            Assert.AreEqual(expected, actual);
        }
 public void InitializeClient()
 {
      _client = new ProwlClient();
 }