diff --git a/packages/playwright-core/package.json b/packages/playwright-core/package.json
index c78dc8026a..b73822a1c8 100644
--- a/packages/playwright-core/package.json
+++ b/packages/playwright-core/package.json
@@ -24,6 +24,7 @@
     "./lib/grid/gridServer": "./lib/grid/gridServer.js",
     "./lib/grid/gridClient": "./lib/grid/gridClient.js",
     "./lib/grid/dockerGridFactory": "./lib/grid/dockerGridFactory.js",
+    "./lib/outofprocess": "./lib/outofprocess.js",
     "./lib/utils/async": "./lib/utils/async.js",
     "./lib/utils/httpServer": "./lib/utils/httpServer.js",
     "./lib/utils/multimap": "./lib/utils/multimap.js",
diff --git a/packages/playwright-test/src/index.ts b/packages/playwright-test/src/index.ts
index f3f995a72e..3b10e8f8ee 100644
--- a/packages/playwright-test/src/index.ts
+++ b/packages/playwright-test/src/index.ts
@@ -24,6 +24,7 @@ import { GridClient } from 'playwright-core/lib/grid/gridClient';
 import { prependToTestError } from './util';
 export { expect } from './expect';
 export const _baseTest: TestType<{}, {}> = rootTestType.test;
+import * as outOfProcess from 'playwright-core/lib/outofprocess';
 
 if ((process as any)['__pw_initiator__']) {
   const originalStackTraceLimit = Error.stackTraceLimit;
@@ -56,7 +57,11 @@ export const test = _baseTest.extend<TestFixtures, WorkerFixtures>({
     if (process.env.PW_GRID) {
       const gridClient = await GridClient.connect(process.env.PW_GRID);
       await use(gridClient.playwright() as any);
-      await gridClient.close();
+      gridClient.close();
+    } else if (process.env.PW_OUT_OF_PROCESS) {
+      const impl = await outOfProcess.start();
+      await use(impl.playwright as any);
+      await impl.stop();
     } else {
       await use(require('playwright-core'));
     }