integration tests

core/leagues/application/use-cases/CreateLeagueUseCase.ts

@@ -14,6 +14,10 @@ export class CreateLeagueUseCase {
       throw new Error('League name is required');
     }
 
+    if (command.name.length > 255) {
+      throw new Error('League name is too long');
+    }
+
     if (!command.ownerId || command.ownerId.trim() === '') {
       throw new Error('Owner ID is required');
     }