diff --git a/test/IdAttributePluginTest.js b/test/IdAttributePluginTest.js
index 85e9ea6bd..3d1f9f3c5 100644
--- a/test/IdAttributePluginTest.js
+++ b/test/IdAttributePluginTest.js
@@ -3,17 +3,17 @@ import test from "ava";
 import { IdAttributePlugin } from "../src/Plugins/IdAttributePlugin.js";
 import Eleventy from "../src/Eleventy.js";
 
-test("Using the transform (and the filter too)", async (t) => {
+test("Using the IdAttribute plugin #3356", async (t) => {
   let elev = new Eleventy("./test/stubs-virtual/", "./test/stubs-virtual/_site", {
     config: function (eleventyConfig) {
       eleventyConfig.addPlugin(IdAttributePlugin);
 
-      eleventyConfig.addTemplate("test.njk", `<h1>This is a heading</h1><h2 id="already">This is another heading</h2>`, {});
+      eleventyConfig.addTemplate("test.njk", `<h1>This is a heading</h1><h2 id="already">This is another heading</h2><h2>This is another heading</h2><h3>This is another heading</h3>`, {});
     },
   });
 
   elev.disableLogger();
 
   let results = await elev.toJSON();
-	t.is(results[0].content, `<h1 id="this-is-a-heading">This is a heading</h1><h2 id="already">This is another heading</h2>`);
+	t.is(results[0].content, `<h1 id="this-is-a-heading">This is a heading</h1><h2 id="already">This is another heading</h2><h2 id="this-is-another-heading">This is another heading</h2><h3 id="this-is-another-heading-2">This is another heading</h3>`);
 });