Steps: 1) Enable privacy.trackingprotection.enabled 2) Visit a test page, such as http://people.mozilla.org/~fmarier/test_tp.html 3) Ensure that none of the elements are loaded. This can be inspected by checking gBrowser.contentDocument.blockedTrackingNodeCount.
Mozmill is plainly dead, long live Marionette! Moving this bug into the new component.
Component: Mozmill Tests → Firefox UI Tests
OS: Mac OS X → All
Hardware: x86 → All
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