diff --git a/integration/action-test.ts b/integration/action-test.ts
index f8b25e21768..dee315b2a55 100644
--- a/integration/action-test.ts
+++ b/integration/action-test.ts
@@ -17,7 +17,10 @@ test.describe("actions", () => {
 
   test.beforeAll(async () => {
     fixture = await createFixture({
-      future: { v2_routeConvention: true },
+      future: {
+        v2_routeConvention: true,
+        v2_errorBoundary: true,
+      },
       files: {
         "app/routes/urlencoded.jsx": js`
           import { Form, useActionData } from "@remix-run/react";
diff --git a/integration/defer-test.ts b/integration/defer-test.ts
index df06225a6ca..edac58789e1 100644
--- a/integration/defer-test.ts
+++ b/integration/defer-test.ts
@@ -33,11 +33,10 @@ test.describe("non-aborted", () => {
 
   test.beforeAll(async () => {
     fixture = await createFixture({
-      future: { v2_routeConvention: true },
-      ////////////////////////////////////////////////////////////////////////////
-      // 💿 Next, add files to this object, just like files in a real app,
-      // `createFixture` will make an app and run your tests against it.
-      ////////////////////////////////////////////////////////////////////////////
+      future: {
+        v2_routeConvention: true,
+        v2_errorBoundary: true,
+      },
       files: {
         "app/components/counter.tsx": js`
           import { useState } from "react";
diff --git a/integration/hmr-test.ts b/integration/hmr-test.ts
index ba8a5ed1d1e..13af69b0261 100644
--- a/integration/hmr-test.ts
+++ b/integration/hmr-test.ts
@@ -15,6 +15,7 @@ let fixture = (options: { port: number; appServerPort: number }) => ({
     },
     unstable_tailwind: true,
     v2_routeConvention: true,
+    v2_errorBoundary: true,
   },
   files: {
     "package.json": json({