From a1ffed605212158a7562aa2ff58346b49ad5be08 Mon Sep 17 00:00:00 2001
From: Yury Semikhatsky <yurys@chromium.org>
Date: Fri, 10 Apr 2020 14:12:30 -0700
Subject: [PATCH] fix(firefox): do not create first window on start (#1727)

---
 src/server/firefox.ts | 9 +++++++--
 test/fixtures.spec.js | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/server/firefox.ts b/src/server/firefox.ts
index f5ff763bf6..4ca982def1 100644
--- a/src/server/firefox.ts
+++ b/src/server/firefox.ts
@@ -185,8 +185,13 @@ export class Firefox implements BrowserType<FFBrowser> {
     firefoxArguments.push('-juggler', String(port));
     firefoxArguments.push(...args);
 
-    if (args.every(arg => arg.startsWith('-')))
-      firefoxArguments.push('about:blank');
+    if (launchType === 'persistent') {
+      if (args.every(arg => arg.startsWith('-')))
+        firefoxArguments.push('about:blank');
+    } else {
+      firefoxArguments.push('-silent');
+    }
+
     return firefoxArguments;
   }
 }
diff --git a/test/fixtures.spec.js b/test/fixtures.spec.js
index 9eaed2af28..89e3ad3d24 100644
--- a/test/fixtures.spec.js
+++ b/test/fixtures.spec.js
@@ -26,6 +26,7 @@ async function testSignal(browserType, action, exitOnClose) {
     handleSIGINT: true,
     handleSIGTERM: true,
     handleSIGHUP: true,
+    executablePath: browserType.executablePath(),
   });
   const res = spawn('node', [path.join(__dirname, 'fixtures', 'closeme.js'), playwrightPath, browserType.name(), JSON.stringify(options), exitOnClose ? 'true' : '']);
   let wsEndPointCallback;