Bug 949695 followup - add resetCredentials/resetSyncKey to avoid BrowserID setters from being called.
Bug 949259 followup - refactor identity config for tests and remove need to pass params to BrowserIDManager.
Bug 949695 tests followup - Add ability to run tests twice - once with each identity manager - and have test_service_startOver use it.
Bug 949695 tests followup - convert test_service_wipeServer to identity_test infrastructure
Bug 949695 tests followup - convert more tests to run with both identity managers.
Bug 949695 tests followup - fix test_handleSyncError to reset error account so it passes when run twice