[Bug 1485741] Re: Search defaults to Yahoo when it shouldn't

[Chris Coulson]

** Description changed:

  When Mozilla initially switched to Yahoo by default for US users, it did
  this with a non-localized geo-specific preference
  (browser.search.defaultenginename.US), used when the locale was en-US,
  the user was in a US timezone and Firefox was not a partner build. This
  meant that Ubuntu builds continued with Google as the default search
  engine.
  
  Some users are reporting that the default is switching to Yahoo after
  upgrading to 40.0, which is not intentional.
  
  Since http://hg.mozilla.org/releases/mozilla-release/rev/37ea9e22ac42,
  it looks like Firefox downloads a region specific default from a Mozilla
  server even for partner builds like ours.
+ 
+ *Test plan for updates*
+ 
+ - Ideally the testing will be done by somebody in the US. This can be
+ done by people outside, but is a bit trickier.
+ 
+ 1) No customization
+ a) Before updating, open Firefox with a clean profile. Verify that the default search is Google.
+ b) Close Firefox and then reopen it. Verify that the default search engine switched to Yahoo.
+ c) Close Firefox, install the update, reopen Firefox and verify that the default search engine is Google.
+ 
+ 2) Customization
+ a) Before updating, open Firefox with a clean profile. Set the default search engine to something else (eg, DDG).
+ b) Close Firefox and then reopen it to make sure the choice sticks.
+ c) Close Firefox, install the update, reopen Firefox and verify that the default search engine is still the one you chose.

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Title:
  Search defaults to Yahoo when it shouldn't

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