diff --git a/packages/playwright-core/src/cli/driver.ts b/packages/playwright-core/src/cli/driver.ts
index 05c28bc836f52..0d807cc1adee6 100644
--- a/packages/playwright-core/src/cli/driver.ts
+++ b/packages/playwright-core/src/cli/driver.ts
@@ -37,7 +37,7 @@ export function printApiJson() {
 export function runDriver() {
   const dispatcherConnection = new DispatcherConnection();
   new RootDispatcher(dispatcherConnection, async (rootScope, { sdkLanguage }) => {
-    const playwright = createPlaywright({ sdkLanguage });
+    const playwright = createPlaywright({ sdkLanguage, isClientCollocatedWithServer: true });
     return new PlaywrightDispatcher(rootScope, playwright);
   });
   // eslint-disable-next-line no-restricted-properties
diff --git a/packages/playwright-core/src/server/chromium/crPage.ts b/packages/playwright-core/src/server/chromium/crPage.ts
index 907f4a47907ca..19556b0536e8e 100644
--- a/packages/playwright-core/src/server/chromium/crPage.ts
+++ b/packages/playwright-core/src/server/chromium/crPage.ts
@@ -741,8 +741,7 @@ class FrameSession {
       worker.workerScriptLoaded();
     // This might fail if the target is closed before we initialize.
     session._sendMayFail('Runtime.enable');
-    // TODO: attribute workers to the right frame.
-    this._crPage._networkManager.addSession(session, this._page.frameManager.frame(this._targetId) ?? undefined).catch(() => {});
+    this._crPage._networkManager.addSession(session, this._page.frameManager.frame(event.targetInfo.parentFrameId ?? this._targetId) ?? undefined).catch(() => {});
     session._sendMayFail('Runtime.runIfWaitingForDebugger');
     session._sendMayFail('Target.setAutoAttach', { autoAttach: true, waitForDebuggerOnStart: true, flatten: true });
     session.on('Target.attachedToTarget', event => this._onAttachedToTarget(event));
diff --git a/tests/page/page-set-input-files.spec.ts b/tests/page/page-set-input-files.spec.ts
index 6a0922a330211..c443700b81a20 100644
--- a/tests/page/page-set-input-files.spec.ts
+++ b/tests/page/page-set-input-files.spec.ts
@@ -145,7 +145,7 @@ test('should upload a file after popup', async ({ page, server, asset }) => {
 
 test('should upload large file', async ({ page, server, isAndroid, mode }, testInfo) => {
   test.skip(isAndroid);
-  test.skip(mode !== 'default');
+  test.skip(mode.startsWith('service'));
   test.slow();
 
   await page.goto(server.PREFIX + '/input/fileupload.html');
diff --git a/tests/page/workers.spec.ts b/tests/page/workers.spec.ts
index 617f3766732b8..59477ac93c6f6 100644
--- a/tests/page/workers.spec.ts
+++ b/tests/page/workers.spec.ts
@@ -188,7 +188,6 @@ it('should clear upon cross-process navigation', async function({ server, page }
 });
 
 it('should attribute network activity for worker inside iframe to the iframe', async function({ page, server, browserName, browserMajorVersion }) {
-  it.fixme(browserName === 'chromium');
   it.skip(browserName === 'firefox' && browserMajorVersion < 114, 'https://github.com/microsoft/playwright/issues/21760');
 
   await page.goto(server.PREFIX + '/empty.html');