Bug 1967877 - Ignore prefs set by PBM new tab page that trip up test-verify mode. r=jmaher

Differential Revision: https://phabricator.services.mozilla.com/D250566

dom/serviceworkers/test/chrome-common.toml

@@ -17,9 +17,6 @@ support-files = [
 ["test_devtools_track_serviceworker_time.html"]
 
 ["test_privateBrowsing.html"]
-# verify mode enables comparePrefs and SearchUIUtils spams changes to the
-# `browser.urlbar.placeholderName.private` pref which causes the test to fail.
-skip-if = ["verify"]
 
 ["test_serviceworkerinfo.xhtml"]
 skip-if = ["true"] # nsIWorkerDebugger attribute not implemented

testing/mochitest/ignorePrefs.json

@@ -11,8 +11,10 @@
   "browser.contentblocking.category",
   "browser.newtabpage.pinned",
   "browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts.havePinned",
+  "browser.newtabpage.storageVersion",
   "browser.pageActions.persistedActions",
   "browser.uiCustomization.state",
+  "browser.urlbar.placeholderName.private",
   "doh-rollout.doneFirstRun",
   "doh-rollout.home-region",
   "extensions.databaseSchema",