diff --git a/jest/integration/runtime/setup.js b/jest/integration/runtime/setup.js
index 36bee8346f0..9dda572b621 100644
--- a/jest/integration/runtime/setup.js
+++ b/jest/integration/runtime/setup.js
@@ -248,9 +248,12 @@ function reportTestSuiteResult(testSuiteResult: TestSuiteResult): void {
   console.log(JSON.stringify(testSuiteResult));
 }
 
+global.$$RunTests$$ = () => {
+  executeTests();
+};
+
 export function registerTest(setUpTest: () => void) {
   runWithGuard(() => {
     setUpTest();
-    executeTests();
   });
 }
diff --git a/packages/react-native/src/private/__tests__/ReactNativeTester.js b/packages/react-native/src/private/__tests__/ReactNativeTester.js
deleted file mode 100644
index 121f057f3fb..00000000000
--- a/packages/react-native/src/private/__tests__/ReactNativeTester.js
+++ /dev/null
@@ -1,46 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict-local
- * @format
- */
-
-import type {MixedElement} from 'react';
-
-import ReactFabric from '../../../Libraries/Renderer/shims/ReactFabric';
-
-let globalSurfaceIdCounter = 1;
-
-class Root {
-  #surfaceId: number;
-  #hasRendered: boolean = false;
-
-  constructor() {
-    this.#surfaceId = globalSurfaceIdCounter;
-    globalSurfaceIdCounter += 10;
-  }
-
-  render(element: MixedElement) {
-    if (!this.#hasRendered) {
-      global.$$JSTesterModuleName$$.startSurface(this.#surfaceId);
-      this.#hasRendered = true;
-    }
-    ReactFabric.render(element, this.#surfaceId);
-  }
-
-  destroy() {
-    // TODO: check for leaks.
-    global.$$JSTesterModuleName$$.stopSurface(this.#surfaceId);
-  }
-
-  // TODO: add an API to check if all surfaces were deallocated when tests are finished.
-}
-
-// TODO: Add option to define surface props and pass it to startSurface
-// Surfacep rops: concurrentRoot, surfaceWidth, surfaceHeight, layoutDirection, pointScaleFactor.
-export function createRoot(): Root {
-  return new Root();
-}