From e3f91bbabf8a183f81b9e886db9797db2c2a77c4 Mon Sep 17 00:00:00 2001
From: Ivaylo Pavlov <ivailo90@gmail.com>
Date: Fri, 2 Jun 2023 21:28:23 +0100
Subject: [PATCH] Fix header to pass Selenium Grid Capabilities (#23346)

Fixes: #23345
---
 packages/playwright-core/src/server/chromium/chromium.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/playwright-core/src/server/chromium/chromium.ts b/packages/playwright-core/src/server/chromium/chromium.ts
index a51346b1a1..9eeeea9217 100644
--- a/packages/playwright-core/src/server/chromium/chromium.ts
+++ b/packages/playwright-core/src/server/chromium/chromium.ts
@@ -193,6 +193,9 @@ export class Chromium extends BrowserType {
     const response = await fetchData({
       url: hubUrl + 'session',
       method: 'POST',
+      headers: {
+        'Content-Type': 'application/json; charset=utf-8'
+      },
       data: JSON.stringify({
         desiredCapabilities,
         capabilities: { alwaysMatch: desiredCapabilities }