public void ItShouldThrowAnExceptionIfTheUrlPassedInIsNull()
 {
     IWebConnection cnn = new DefaultWebConnection();
     cnn.MakeRequest(null);
 }
 public void ItShouldThrowAnExceptionIfTheUrlPassedInIsEmpty()
 {
     IWebConnection cnn = new DefaultWebConnection();
     cnn.MakeRequest(String.Empty);
 }