Bug 2056706 - fix for headless mode for automated webcompat intervention tests; r=ksenia

Differential Revision: https://phabricator.services.mozilla.com/D316867
2026-08-06 21:27:50 +00:00
parent 5b2b75817b
commit 6d702d81e3
1 changed files with 1 additions and 0 deletions
@@ -157,6 +157,7 @@ class FirefoxWebDriver(WebDriver):
        if self.browser_binary:
            fx_options["binary"] = self.browser_binary
            if self.headless:
+                fx_options.setdefault("args", [])
                fx_options["args"].append("--headless")

        if self.device_serial: