@@ -1,5 +1,12 @@
 import html from "./page.html";
 
-it("should keep an HTML module out of concatenation when HMR is enabled", () => {
+it("should report why the HTML module cannot be concatenated", () => {
+	const module = __STATS__.modules.find((m) => m.name.includes("page.html"));
+	expect(module.optimizationBailout).toContainEqual(
+		expect.stringContaining("HTML module needs its own module scope for HMR")
+	);
+});
+
+it("should still render the HTML module's content", () => {
 	expect(html).toContain("<p>hmr page</p>");
 });
@@ -22,6 +22,9 @@ module.exports = {
 		concatenateModules: true
 	},
 	plugins: [new HotModuleReplacementPlugin()],
+	stats: {
+		optimizationBailout: true
+	},
 	experiments: {
 		html: true
 	}