add test for lathe recipes having results (#32100)

* add test for lathe recipes having results

* id

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.IntegrationTests/Tests/ResearchTest.cs

@@ -98,4 +98,24 @@ public sealed class ResearchTest
 
         await pair.CleanReturnAsync();
     }
+
+    [Test]
+    public async Task AllLatheRecipesValidTest()
+    {
+        await using var pair = await PoolManager.GetServerClient();
+
+        var server = pair.Server;
+        var proto = server.ResolveDependency<IPrototypeManager>();
+
+        Assert.Multiple(() =>
+        {
+            foreach (var recipe in proto.EnumeratePrototypes<LatheRecipePrototype>())
+            {
+                if (recipe.Result == null)
+                    Assert.That(recipe.ResultReagents, Is.Not.Null, $"Recipe '{recipe.ID}' has no result or result reagents.");
+            }
+        });
+
+        await pair.CleanReturnAsync();
+    }
 }