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Last active September 25, 2019 17:44
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Verifying a system addon
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steps.md
  1. Download and install the targeted version of Firefox
  2. With Firefox closed modify defaults/pref/channel-prefs.js in the application directory to point to the channel release-sysaddon instead of release
  3. Start (or restart) Firefox.
  4. In about:config, flip the extensions.logging.enabled and devtools.chrome.enabled prefs to true
  5. Open the Browser Console (Tools->Web Developer->Browser Console)
  6. At the prompt at the bottom of the Browser Console, force an update check by running Cu.import("resource://gre/modules/AddonManager.jsm"); AddonManagerPrivate.backgroundUpdateCheck()
  7. Open about:support and verify that system add-on appears and information is correct
  8. Verify that the system addon is behaving as expected
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