chore: stub out tests

src/src/StevesBot.Webhook/YouTube/Handlers/NotificationHandler.cs

@@ -9,7 +9,7 @@ internal static class NotificationHandler
     [FromServices] IDiscordRestClient discordRestClient,
     [FromServices] IOptionsMonitor<DiscordNotificationOptions> discordNotificationOptions,
     [FromServices] ILastPostedStreamStore lastPostedStream,
-    CancellationToken cancellationToken
+    CancellationToken cancellationToken = default
   )
   {
     using StreamReader stream = new(context.Request.Body);

src/tests/StevesBot.Webhook.Tests/Unit/NotificationHandlerTests.cs

@@ -0,0 +1,6 @@
+namespace StevesBot.Webhook.Tests.Unit;
+
+public class NotificationHandlerTests
+{
+
+}