test(learning): seed valid quota test questions

Tiku.IntegrationTests/Api/CurrentQuotaEnforcementTests.cs

@@ -85,7 +85,8 @@ public sealed class CurrentQuotaEnforcementTests
             {
                 Type = "choice",
                 Content = content,
-                Status = "Published"
+                Status = "Published",
+                CorrectOptionIndex = 0
             });
 
         var responses = await Task.WhenAll(CreateAsync("quota question A"), CreateAsync("quota question B"));
@@ -194,7 +195,13 @@ public sealed class CurrentQuotaEnforcementTests
             Student("13930000002", "Unlimited Student"));
         var question = await client.PostAsJsonAsync(
             "/api/tenant-content/questions",
-            new DirectQuestionWriteDto { Type = "choice", Content = "unlimited question", Status = "Published" });
+            new DirectQuestionWriteDto
+            {
+                Type = "choice",
+                Content = "unlimited question",
+                Status = "Published",
+                CorrectOptionIndex = 0
+            });
 
         Assert.Equal(HttpStatusCode.OK, teacher.StatusCode);
         Assert.Equal(HttpStatusCode.OK, student.StatusCode);