public void Increments_the_number_of_likes_by_one() { // Arrange var @catch = new Catch(); int likesCount = @catch.Likes; // Act @catch.OnCatchLiked(new CatchLikedEvent()); // Assert Assert.That(@catch.Likes, Is.EqualTo(likesCount + 1), "The catch like count was not incremented correctly."); }