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Update Firefox test runner flags #25520

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Merged
merged 2 commits into from
Oct 7, 2025
+10 −0
Merged

Update Firefox test runner flags #25520

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04cfa4a
To ease live macOS Firefox browser debugging, disable the confirmatio…
juj Oct 7, 2025
8847bf9
Also hide the about:config confirmation prompt.
juj Oct 7, 2025
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5 changes: 5 additions & 0 deletions emrun.py
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Original file line number Diff line number Diff line change
Expand Up @@ -244,6 +244,11 @@ def create_emrun_safe_firefox_profile():
user_pref("browser.sessionstore.restore_on_demand", false);
user_pref("browser.sessionstore.max_resumed_crashes", -1);
user_pref("toolkit.startup.max_resumed_crashes", -1);
// Ease shutting down browser instances in the parallel browser harness
user_pref("browser.warnOnQuit", false);
user_pref("browser.warnOnQuitShortcut", false);
// Hide about:config confirmation prompt - devs are advanced users
user_pref("browser.aboutConfig.showWarning", false);
// Don't show the slow script dialog popup
user_pref("dom.max_script_run_time", 0);
user_pref("dom.max_chrome_script_run_time", 0);
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5 changes: 5 additions & 0 deletions test/firefox_user.js
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Expand Up @@ -13,6 +13,11 @@ user_pref("services.sync.prefs.sync.browser.sessionstore.restore_on_demand", fal
user_pref("browser.sessionstore.restore_on_demand", false);
user_pref("browser.sessionstore.max_resumed_crashes", -1);
user_pref("toolkit.startup.max_resumed_crashes", -1);
// Ease shutting down browser instances in the parallel browser harness
user_pref("browser.warnOnQuit", false);
user_pref("browser.warnOnQuitShortcut", false);
// Hide about:config confirmation prompt - devs are advanced users
user_pref("browser.aboutConfig.showWarning", false);
// Don't show the slow script dialog popup
user_pref("dom.max_script_run_time", 0);
user_pref("dom.max_chrome_script_run_time", 0);
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